{"title":"Serial \/ USB Communications","description":"","products":[{"product_id":"usb-to-rs485-485-converter-adapter","title":"USB to RS485 Converter Adapter","description":"\u003cp\u003eUSB to RS485 Converter Adapter Support Win7 XP Vista Linux Mac OS WinCE5.0.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB to RS485 Converter Adapter\u003c\/li\u003e\n\u003cli\u003eUSB connector: to your PC\u003c\/li\u003e\n\u003cli\u003eRS485 connector: to your RS485 device\u003c\/li\u003e\n\u003cli\u003eNo need external power, powered by USB port\u003c\/li\u003e\n\u003cli\u003eFully compliant USB 2.0 standard , backward compatible with USB1.1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764274114693,"sku":"CM-000018-DVR","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/screen_shot_2019-07-12_at_5.37.39_pm.png?v=1767555665"},{"product_id":"cp2102-module-usb-to-ttl-serial","title":"CP2102 module USB to TTL Serial","description":"\u003cp\u003eCP2102 module USB to TTL serial UART\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eDescription:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e1. This is a USB 2.0 to TTL UART 6PIN CP2102 Module Serial Converter. Connect MCU easily to your computer!\u003cbr\u003e2. Stable and reliable chipset CP2102\u003cbr\u003e3. USB specification 2.0 compliant with full-speed 12Mbps.\u003cbr\u003e4. Standard USB type A male and TTL 6pin connector. 6pins for 3.3V, RST, TXD, RXD, GND \u0026amp; 5V.\u003cbr\u003e5. All handshaking and modem interface signals.\u003cbr\u003e6. Baud rates: 300 bps to 1.5 Mbps.\u003cbr\u003e7. Byte receive buffer; 640 byte transmit buffer.\u003cbr\u003e8. Hardware or X-On\/X-Off handshaking supported.\u003cbr\u003e9. Event character support Line break transmission.\u003cbr\u003e10. USB suspend states supported via SUSPEND pins.\u003cbr\u003e11. Temperature Range: -40 to +85.\u003cbr\u003e12. Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X \u0026amp; Linux 2.40.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003ePlease install the following driver to work in Win 10.\u003cbr\u003ehttps:\/\/www.silabs.com\/documents\/public\/software\/CP210x_Universal_Windows_Driver.zip\u003c\/span\u003e\u003c\/p\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764274180229,"sku":"CM-000020-DVR","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/carte-convertisseur-cp2102-usb-vers-ttl-serial-uart-pour-arduino.png?v=1767555668"},{"product_id":"cp2102-micro-usb-to-uart-ttl-module","title":"CP2102 MICRO USB to UART TTL Module","description":"\u003cul\u003e\n\u003cli\u003eOriginal CP2102 chip, generate the COM after install the driver. \u003c\/li\u003e\n\u003cli\u003eStandard MICRO MINI - USB line input by computer USB interface, with 3.3 V and 5 V voltage output power\u003c\/li\u003e\n\u003cli\u003eWith self recovery fuse.In the case of accidental short circuit, which can effectively protect your downloader and computer USB port\u003c\/li\u003e\n\u003cli\u003eSend and receive, onboard status indicator lights, lights, right after install the driver state will normally on lights, transceiver indicator light will flash, when communication with LED lights.\u003c\/li\u003e\n\u003cli\u003eSupport from 300 BPS baud rate between ~ 1 MBPS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication format support: \u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e5,6,7,8 bits of data;\u003c\/li\u003e\n\u003cli\u003esupport 1,1.5, 2 stop bits.\u003c\/li\u003e\n\u003cli\u003eodd, even, mark, space, none 7, support\u003c\/li\u003e\n\u003cli\u003eOperating system: Windows vista\/xp \/ 98\/8.1\/7, Mac OS X\/OS - 9, Linux 8, USB interface for MICRO MINI USB 9, SMD components welding for formal company, stable quality, beautiful appearance 10, with DTR trigger signal output, can be directly to the arduino pro mini ATMEGA328P arduino mainboard download program communication, etc. \u003c\/li\u003e\n\u003cli\u003emodule size: 16 mm * 20 mm super small.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe embedded USB transceiver, without external circuit\u003c\/li\u003e\n\u003cli\u003eIt contains the clock circuit, without an external circuit \u003c\/li\u003e\n\u003cli\u003eReset circuit embedded on electricity \u003c\/li\u003e\n\u003cli\u003eOutput voltage regulation can be within 3.3 V voltage \u003c\/li\u003e\n\u003cli\u003eAccord with the requirement of USB2.0 specification \u003c\/li\u003e\n\u003cli\u003eSUSPEND pin support USB state hung \u003c\/li\u003e\n\u003cli\u003eAsynchronous serial data bus controller interface compatible with all shake hands and modulation signal \u003c\/li\u003e\n\u003cli\u003eSupport data format for the data of 8, 1, 2, and stop bit parity bit \u003c\/li\u003e\n\u003cli\u003eThe connotation of the 512 - byte receive buffer and 512 words\u003c\/li\u003e\n\u003cli\u003eDriver download: http:\/\/www.silabs.com\/products\/mcu\/pages\/usbtouartbridgevcpdrivers.aspx\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764274212997,"sku":"CM-000021-DVR","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/screen_shot_2020-01-27_at_7.38.15_pm.png?v=1767555669"},{"product_id":"digital-usb-power-charging-current-voltage-tester","title":"Digital USB Power Charging Current Voltage Tester","description":"\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eAvailable for every USB electronic product,such as PC USB,home charger,car charger and so on.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePlug and ,light and handy,easy to carry and no need external power.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThrough “DR CHARGER”,you could clearly know the condition of the charger, phone, usb cable and every USB device.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eVoltage:DC 3.5V-7V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCurrent:0-3.0A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764278702213,"sku":"CM-000036-DVR","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/screen_shot_2019-04-25_at_3.20.34_pm.png?v=1767555911"},{"product_id":"usb-to-rs485-converter-upgrade-protection","title":"USB To RS485 Converter Upgrade Protection","description":"\u003cp\u003eIndustrial grade RS485  to USB converter which can withstand tough working enviroment. The housing is made of hardened ABS plastic with a reinforced terminal header for easy connection of communication wires.\u003c\/p\u003e\n\u003cp\u003eThis RS485 to USB converter is electrically protected against static electricity, high voltage spikes and other dangerous voltage spikes which can damage your equipment or data signaling. This protection is accomplished by four Transient Voltage Suppressors, one for each data line. Automatic send data control is enabled by default so no external flow or handshake control is needed.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional control: \u003c\/strong\u003eAutomatically determine and control the data transmission direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaud rate：\u003c\/strong\u003e300-921,600bps, Automatically adapt serial port signal speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission distance:\u003c\/strong\u003e 1.2KM (at 9,600bps)\u003c\/li\u003e\n\u003cli\u003eI\u003cstrong\u003enterface protection:\u003c\/strong\u003e 600W lightning strike, surge protection and ±15KV ESD protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating system:\u003c\/strong\u003e Windows, Mac OS, Linux\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment: \u003c\/strong\u003e-40℃-85℃, relative humidity 5%-95%\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764291809413,"sku":"CM-000083-DVR","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_1_4.png?v=1767556583"},{"product_id":"max485-ttl-to-rs485-converter-module","title":"MAX485 TTL to RS485 Converter Module","description":"\u003cp\u003eThe MAX485 TTL to RS-485 Interface Module allows MCUs to use the RS-485 differential signaling for robust long distance serial communications. RS-485 provides for robust serial communications over long distances of up to 1200 meters (4000′) or in electrically noisy environments and is commonly used in industrial environments.  It supports up to 2.5MBit\/Sec data rates, but as distance goes up, the maximum data rate that can be supported comes down.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eUse MAX485 Interface chip\u003c\/li\u003e\r\n\u003cli\u003eUses differential signaling for noise immunity\u003c\/li\u003e\r\n\u003cli\u003eDistances up to 1200 meters\u003c\/li\u003e\r\n\u003cli\u003eSpeeds up to 2.5Mbit\/Sec\u003c\/li\u003e\r\n\u003cli\u003eMulti-drop supports up to 32 devices on the same bus\u003c\/li\u003e\r\n\u003cli\u003eRed power LED\u003c\/li\u003e\r\n\u003cli\u003e5V operation\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764302459013,"sku":"CM-000102-DVR","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/max485_ttl_to_rs485_converter_module.jpg?v=1767556906"},{"product_id":"six-in-one-serial-module-cp2102-usb-485-422-232-ttl-mutual-conversion-serial-com","title":"Six-In-One Serial Port Module","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eIsolation 6‑in‑1 debugging tool, no need to jumper, DIP switch, etc., can implement isolation conversion between USB, RS‑232, RS‑485\/422, TLL level\u003c\/span\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eYN‑4561I is USB 2.0 standard, supports Windows\/OS X\/Linux\/ operating system. Simply connect your device via USB interface, install the driver to use immediately\u003c\/span\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003e1kV isolation between USB, RS‑232, RS‑485\/422, TLL, support mutual conversion between USB and RS‑232, USB and RS‑422\/485, USB and TTL, TTL and RS‑S232, TTL and RS‑422\/485, RS232 and RS‑422\/485\u003c\/span\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eNo external power supply, take electricity from USB port, support WindowsXP \/ Server2003 \/ Vista \/ 7 \/ 8 \/ 8.1 \/ 10\/ OS X \/ Linux \/\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eStandard USB b square port, equipment comes with a turn b wire, RS232 adopt the standard DB9 serial port male, RS485 \/ 422 is a plug‑in terminal\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem Type: Serial Port Module\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: ABS\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: YN4561I\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB Compatibility: Compliance with USB 2.0 standards, support hot swap plug-and-play\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePort Design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB: Standard b square port, equipment comes with a turn b wire\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRS232: Standard DB9 serial port male\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRS485 \/ 422: Plug-in terminal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTTL: Insert terminal\u003c\/li\u003e\n\u003cli\u003eTransmission Rate: 1200bps - 115.2kbps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCheck Bit: Odd check, even check, no check\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eData Bit: 5, 6, 7, 8\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStop Bit: 1, 1.5, 2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRS232: TX, RX, GND, conforms to TIA \/ EIA-232\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRS485: D +, D- balance difference half duplex, in line with TIA \/ EIA-485 standard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRS422: T +, T-, R +, R- balance differences full duplex, in accordance with TIA \/ EIA-422\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e32 x RS-422 or RS-485 devices can be connected\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTTL: VIO, RXIN, TXOUT, GND support 5V or 3V level\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWork Distance: RS-232: 50ft(15 meters) at 9.6kbps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunctions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 1 USB to 232 (9 needles);\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 2 USB to 485\/422;\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 3 USB to TTL (with DTR RTS);\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 4232 turn 485\/422;\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 5232 turn TTL;\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3738Qy63Qy63Nm\"\u003eFunction 6 485\/422 to TTL;\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cp align=\"left\"\u003e\u003cstrong\u003e1. USB to 232\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003eAfter the USB access, the power light is steady green.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen USB sends data to 232 , USB  red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen 232 sends data to USB , 232  red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cdiv align=\"left\"\u003e\u003cstrong\u003e2. USB to 485\/422\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e \u003c\/div\u003e\n\u003cdiv align=\"left\"\u003eAfter the USB access, the power light is steady green.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen USB sends data to485\/422, USB  red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen485\/422sends data to USB ,485\/422red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cp align=\"left\"\u003e\u003cstrong\u003e3. USB to TTL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003eAfter the USB access, the power light is steady green.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen USB sends data to TTL , USB  red light flashes\u003c\/div\u003e\n\u003cp align=\"left\"\u003ewhenTTLsends data to USB ,TTLred light flashes\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cstrong\u003e4.TTL to 232\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003eAfter the 5V power is connected between 5V and GND, the green light is always on.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen TTLsends data to 232 ,TTLred light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen232sends data toTTL,232red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cp align=\"left\"\u003e\u003cstrong\u003e5.TTL to 485\/422\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003eAfter the 5V power is connected between 5V and GND, the green light is always on.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen TTLsends data to 485\/422 ,TTLred light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003ewhen485\/422sends data toTTL,485\/422red light flashes\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cp align=\"left\"\u003e\u003cstrong\u003e6. 232 to 485\/422\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003eAfter the 5V power is connected between 5V and GND, the green light is always on.\u003c\/div\u003e\n\u003cdiv align=\"left\"\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i2.3738Qy63Qy63Nm\"\u003ewhen 232 sends data to 485\/422 , 232red light flashes\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-spm-anchor-id=\"a2g0o.detail.1000023.i0.3738Qy63Qy63Nm\" align=\"left\"\u003ewhen485\/422sends data to 232,485\/422red light flashes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764310847621,"sku":"CM-000113-DVR","price":27.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/6in2.jpg?v=1767557304"},{"product_id":"rs232-to-rs485-interface-serial-adapter-converter","title":"RS232 to RS485 Interface Serial Adapter Converter","description":"\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGood solution for the communication between serial port and RS485 or RS422 device\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial port feature: concurrently compatible with RS-232C, RS-485 standard of EIA\/TIA.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectric interface: DB9 hole interface of RS-232 end, DB9 pin connector of RS-485 end, compatible with post (5 connection).\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWork methods: asynchronous half duplex.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTransmission media: common wire, double wire or UTP or shielding line.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTransmission speed: 300~115~21BDS.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTransmission distance: 5 meters(RS-232 end) 1.200 meters(RS-485 end).\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRS232 Adapter work environment: -20 degree C to 85 degree C, relative humidity: 5% to 95%.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnique serial charge pump drive technology, no external power supply, the real three-wire communication (TXD,RXD,GND). No need serial port initialization\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupport baud rates up to 115.2 Kbps; Automatic sense serial signal rate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupport a connection distance up to 4000ft (1200m)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRS485 Converter signals: D+\/A D-\/B GND +5V-12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIt is suitable for most applications, including industrial, commercial and any general office computer device.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764312223877,"sku":"CM-000131-DVR","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/s-l1600-22-700x700.jpg?v=1767557402"},{"product_id":"nb144-industrial-serial-server-four-serial-device-server-rs232-422-485-to-ethernet-serial-port-modbus-gateway-iot-module","title":"NB144 Industrial Serial Server","description":"\u003cp\u003e\u003cimg alt=\"Non-isolated 4-channel Serial Server\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159472378.jpg\" width=\"364\" height=\"404\"\u003e    \u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"Basic Function\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159471449.jpg\" width=\"363\" height=\"280\"\u003e    \u003cbr\u003e  \u003cimg alt=\"Provide Four Communication Mechanisms Of TCP And UDP\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159502858.jpg\" width=\"367\" height=\"719\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Support ModBus TCP to RTU protocol automatic conversion\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159516479.jpg\" width=\"361\" height=\"233\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Multihost Gateway\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159521462.jpg\" width=\"365\" height=\"261\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Storage Gateway\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159527635.jpg\" width=\"391\" height=\"86\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Configurable Gateway\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159537325.jpg\" width=\"392\" height=\"101\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Adapt To loT Transmission Protocols\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159531226.jpg\" width=\"395\" height=\"254\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Multiple Configuration Methods\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159553327.jpg\" width=\"391\" height=\"314\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Registration Packet Heartbeat Packet\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159567834.jpg\" width=\"389\" height=\"416\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Reconnect After Disconnection Virtual Serial Port\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159572341.jpg\" width=\"390\" height=\"412\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Dual Power Interface\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159588800.jpg\" width=\"388\" height=\"272\"\u003e    \u003cbr\u003e\u003cbr\u003e   \u003cimg alt=\"Industrial Standard\" src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-2-15\/2023215159591174.jpg\" width=\"395\" height=\"292\"\u003e\u003c\/p\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764312453253,"sku":"CM-000127-DVR","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_2_2.jpg?v=1767557415"},{"product_id":"usb-to-uart-ttl-cable","title":"USB to UART TTL Cable","description":"\u003cp\u003eThis is USB To Serial Adapter Module USB TO TTL RS232 Arduino Cable With CTS RTS. USB To RS232 TTL PL2303HX Auto Converter Module Adapter 5V Output provides the best and convenient way to connect your RS232 TTL devices or DEMO BRD. To your computer, via the USB port.\u003c\/p\u003e\n\u003cp\u003eFTDI based USB to TTL Serial Cable is designed using the standard FT232RL chipset. The cables provide a fast, simple way to connect devices with a TTL level serial interface to USB.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePin Connections :\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eRed wire\u003c\/span\u003e\u003c\/em\u003e： 5V\u003cbr\u003e\u003cem\u003e\u003cspan\u003eBlack wire\u003c\/span\u003e\u003c\/em\u003e： GND\u003cbr\u003e\u003cem\u003e\u003cspan\u003eWhite wir\u003c\/span\u003e\u003cspan\u003ee\u003c\/span\u003e\u003c\/em\u003e： RXD\u003cbr\u003e\u003cem\u003e\u003cspan\u003eGreen wire\u003c\/span\u003e\u003c\/em\u003e： TXD\u003cbr\u003e\u003cem\u003e\u003cspan\u003eYellow \/ Brown wire\u003c\/span\u003e\u003c\/em\u003e： RTS\u003cbr\u003e\u003cem\u003e\u003cspan\u003eBlue wire\u003c\/span\u003e\u003c\/em\u003e： CTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures :\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe cables are available with a 6-way SIL, 0.1″ connector.\u003c\/li\u003e\n\u003cli\u003eTTL levels are 3.3V.\u003c\/li\u003e\n\u003cli\u003eThe TTL-232R cables are a family of USB to TTL serial UART converter cables incorporating FTD’s.\u003c\/li\u003e\n\u003cli\u003eFT232RQ USB to Serial.\u003c\/li\u003e\n\u003cli\u003eUART interface IC device which handles all the USB signaling and protocols. The cables provide a fast, simple way to connect.\u003c\/li\u003e\n\u003cli\u003edevices with a TTL level serial interface to USB.\u003c\/li\u003e\n\u003cli\u003eEach TTL-232R cable contains a small internal electronic circuit board, utilizing the FT232R, which is encapsulated into the USB.\u003c\/li\u003e\n\u003cli\u003ethe connector end of the cable. The other end of the cable comes with a selection of different connectors supporting various applications.\u003c\/li\u003e\n\u003cli\u003eCables are available with either a 6-way SIL,0.1” pitch connector, a 3.5 mm Audio Jack, an 8 way, keyed 2 mm pitch connector (intended for use with VMUSIC2 or VDRIVE2) or bare, tinned wire ended connections\u003c\/li\u003e\n\u003cli\u003eThe USB side of the cable is USB powered and USB 2.0 full speed compatible.\u003c\/li\u003e\n\u003cli\u003eEach cable is 1.0m long and supports a data transfer rate of up to 3 M baud.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes\" height=\"98\" style=\"width: 52.578%;\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_input-supply-voltage-v\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" style=\"width: 58.9498%;\"\u003eInput Supply voltage (V)\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\" style=\"width: 40.769%;\"\u003e\n\u003cp\u003e3.3 – 5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_connector-type\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" style=\"width: 58.9498%;\"\u003eConnector type\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\" style=\"width: 40.769%;\"\u003e\n\u003cp\u003eUSB To TTL RS232\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_total-cable-length-cm\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" style=\"width: 58.9498%;\"\u003eTotal cable length (cm)\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\" style=\"width: 40.769%;\"\u003e\n\u003cp\u003e100\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764317958277,"sku":"CM-000145-DVR","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/uart.png?v=1776163201"},{"product_id":"pl2303-usb-to-rs232-ttl-converter-adapter","title":"PL2303 USB To Rs232 TTL Converter Adapter","description":"\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll kinds of satellites set-top box upgrade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRouter,HDD,ADSL,broad band modem firmware upgrade or cracked upgrade\u003cbr\u003ecellphone,,GPS serial communication,vehicle inspection and test,DVD flash and so on\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBurn write STC MCU, MCU,renesas MCU, MCU and so on\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSimple UART communication,commonly used UART debugging tools in supper terminal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB signal transferred to TTL signal,may be used by electronic enthusiasts\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdopt imported controller PL2303HX,which can stabilize the flash with high speed\u003cbr\u003e500mA self recovery fuse for protection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo data transmission indicator can monitor data transfer status in real time\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReserve 3.3V and 5V pin interface,easy for the DDWRT of different voltage system that need power\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe entire board is coated by high quality transparent heat-shrinkable sleeve,making the\u003c\/li\u003e\n\u003cli\u003ePCB in insulation state from outside,\u003cbr\u003eso that the board won't burnt down by material short cut.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrostatic package,insures the board will not be damaged before use\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupport WIN7 system\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40764318023813,"sku":"CM-000144-DVR","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/usbtottl.png?v=1767557597"},{"product_id":"industrial-usb-to-4ch-rs485-converter","title":"Industrial USB TO 4Ch RS485 Converter","description":"\u003cdiv class=\"pdT\"\u003e\n\u003cdiv class=\"richTitle\"\u003eIndustrial USB TO 4CH RS485 Communication Module:\u003c\/div\u003e\n\u003cp class=\"hilitBlock2\"\u003eStable Transmission | Multi Devices | Multi Systems\u003c\/p\u003e\n \u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-1.jpg\" width=\"419\" height=\"371\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003cdiv class=\"richTitle\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"alignl pdTRBL2\"\u003e\n\u003cli\u003eExtending USB to 4CH RS485, allows concurrent and independent communication for each channel\u003c\/li\u003e\n\u003cli\u003eOnboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof \u0026amp; anti-electrostatic\u003c\/li\u003e\n\u003cli\u003eOnboard resettable fuse and protection diodes, ensures the current\/voltage stable outputs, provides over-current\/over-voltage proof, improves shock proof performance\u003c\/li\u003e\n\u003cli\u003eOnboard RS485 output terminal 120R resistors, enabled\/disabled via DIP switch\u003c\/li\u003e\n\u003cli\u003eAluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-3.jpg\" width=\"431\" height=\"251\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB alignl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePRODUCT TYPE\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eIndustrial Grade USB to RS485 converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHost port\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice port\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBaudrate\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003e1200bps ~ 460800bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eUSB\u003c\/th\u003e\n\u003ctd\u003eOperating voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eUSB-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003e500mA resettable fuse, ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission distance\u003c\/td\u003e\n\u003ctd\u003eAbout 5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eRS485\u003c\/th\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003e600W lightningproof and surge-suppress, 15KV ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission distance\u003c\/td\u003e\n\u003ctd\u003eMaximum communication distance is about 1200m (at a low rate, with 120R resistor turned on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission mode\u003c\/td\u003e\n\u003ctd\u003ePoint-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"2\"\u003eOperating environment\u003c\/th\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-40 ~ 85℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5%RH ~ 95%RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating system\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eWin7\/8\/8.1\/10\/11, Mac, Linux, Android\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003cdiv class=\"richTitle\"\u003eMultiple Protection, Safe And Stable\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eOnboard Resettable Fuse And Protection Diode, Provides Over-Current\/Over-Voltage Proof, Improves Shock Proof Performance; Onboard Voltage Translator Circuit, With Surge Suppress And ESD Protection, Safe And Stable Communication\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-5.jpg\" width=\"417\" height=\"630\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eMulti system Support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eSupports Win7\/8\/8.1\/10\/11, Mac, Linux, Android, etc.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-7.jpg\" width=\"428\" height=\"220\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eTransmission distance up to 1.2km\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eThe USB signal can be converted into 4 balanced differential RS485 signals and the transmission rate is stable. The reliable speed is 1200~460800bps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-9.jpg\" width=\"443\" height=\"305\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eWall-mount \u0026amp; Rail-Mount Support\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-11.jpg\" width=\"458\" height=\"253\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003e\u003cstrong\u003eInterface introduction\u003c\/strong\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-intro.jpg\" width=\"459\" height=\"445\"\u003e\n\u003ctable class=\"tabSty-2 mgnTB\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eIndicator Introduction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePWR\u003c\/th\u003e\n\u003ctd\u003epower indicator, lights up while the USB is connected and voltage is detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eACT\u003c\/th\u003e\n\u003ctd\u003eStatus indicator, lights up green while the driver is detected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRXD(1~4)\u003c\/th\u003e\n\u003ctd\u003eBlue RXD indicators, light up when the device ports send data back\u003cbr\u003e(corresponding to 4 channels respectively)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTXD(1~4)\u003c\/th\u003e\n\u003ctd\u003eBlue TXD indicators, light up when the USB port is sending data\u003cbr\u003e(corresponding to 4 channels respectively)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003cdiv class=\"richTitle\"\u003e\u003cstrong\u003ePin description\u003c\/strong\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/USB-TO-4CH-RS485\/USB-TO-4CH-RS485-details-inter.jpg\" width=\"449\" height=\"271\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"tabSty-2 mgnTB\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePE\u003c\/th\u003e\n\u003ctd\u003eSignal ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eA(1~4)\u003c\/th\u003e\n\u003ctd\u003eA(1~4) differential signal A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eB(1~4)\u003c\/th\u003e\n\u003ctd\u003eB(1~4) differential signal B-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":40879487680645,"sku":"CM-000157-DVR","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/usb-to-4ch-rs485-1.jpg?v=1767557848"},{"product_id":"opto-isolated-rs232-to-rs485-rs422-converter","title":"Opto-Isolated RS232 to RS485 \/ RS422 Converter","description":"\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: RS232C standard and RS485\/RS422 standard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface RS232 side: DB9 female connector\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface RS485\/RS422 side: DB9 male connector with optional (included) terminal board\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransmission rate: 300 to 115,200bps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransmission distance: RS422 maximum 1200m, RS232 side maximum 5m\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking modes: asynchronous, duplex and differential transmission\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking environment: 0 to 70°C\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRelative humidity 5 to 95%\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMechanical dimensions: 95 x 33 x 17mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple Working Modes:Offers asynchronous, duplex, and differential transmission modes for diverse application needs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact and Portable Design:At just 95 x 33 x 17mm, this adapter is a space-saving solution for your electronic setup.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExtended Transmission Range:Supports RS422 transmission up to 1200m, ensuring reliable communication over long distances.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRs263tdrs|Usb Rs232 Driver|Versatile Interface Options:Equipped with a DB9 female RS232 side and a DB9 male RS485\/RS422 side, this converter offers seamless connectivity.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRobust Environmental Compatibility:Operates in a wide temperature range (0-70°C) and humidity (5-95%), ideal for various environments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41200633446533,"sku":"CM-000121-DVR","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/converter.jpg?v=1767559010"},{"product_id":"ecr6800-multi-channel-paperless-recorder-6-channels","title":"ECR6800 Multi-channel Paperless Recorder 6 Channels","description":"\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChannel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e6 analog signal inputs\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAcouncy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e0.29F.S\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003esampling\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e1 second\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDistribution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e2 channels 24VDC±10%30mA each\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAlarm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e6-way normally open relay, 250VAC 3A,30VDC 3A (resistive load)\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTrammission\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e2 channels of 4-20mA transmission output, load ≤750N\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eAC220V±10%50Hz\/24VDC±10%\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePreheat time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e30 minutes after turning on the power\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnvironment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eTemperature:-10-60ºC Humidity:0-85%RH(no condensation)\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLCD screen\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e4-inch color LCD display\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eData memory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e16Mb,900,000 records\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOther records\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eThere are 256 alarm records,256 point drop records,and 256 operation logs.\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecord interval\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e1 second,2seconds,5 seconds (default),10 seconds,15 seconds, 30 seconds....\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRS485\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e1 channel,standard Modbus RTU protocol\u003c\/span\u003e\u003cbr\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUSB\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB2.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41286873088133,"sku":"CM-000109-DVR","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/9_8887eb22-b374-4a1e-b28c-e066add7d125.png?v=1767559526"},{"product_id":"ee11a-serial-port-server-set-with-antenna","title":"EE11A  Serial Port Server-Set with Antenna","description":"\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan\u003eThe Elfin-EE11A series support RS485 to Ethernet, Elfin-EE11A unit is a complete solution for serial port device connecting to network. This powerful device supports a reliable and proven operating system stored in flash memory, an embedded web server, a full TCP\/IP protocol stack,and standards-based (AES) encryption. \u003c\/span\u003e\u003cspan\u003eSupport 5~36V.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4e1c928a94964040b2d1618cfbadc8c2J.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S619aa0bdb8a949acb14b650c2f5802c6O.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S89bec20956da43b586ffc3c1dad319aet.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sce428f05451e4f68a803754b5b6de788E.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S65f5db1b2c84498198652493cf9b91aaF.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saf78c63c0b9b48e18e22ffe79ccb696bT.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S54ce711b3bd74372a446ca391cfe8e99y.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sae50ee4711e04d0bb7fc21be28fcd4dcP.jpg\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.2e39cYqycYqyE8\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sec298c33e44a45ba8254d744e64e964cN.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdfba365b38f044a3b579c60b39f8c9fc5.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1f0fd3b508d84985bcaf4b45136cc8608.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8cdcd340bff44332b1fb5469047d5a1bQ.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se80e58cf4b504a30b0b86f268cb3808bJ.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sef1d7f2be0f64f568394aec204a4b9d4S.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdb01d54e8d6d4e97b9c69f98b3c44409K.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S56bca6567c5a465db0366860b0d539a56.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scd157870effb4c728c3b21a59f98980dB.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S078db27515864783b83e4dc7eebe1c906.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5f4f4a5e4446445096cb580da1022116D.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdedf8d3476c94d75b817e05ca31a6391A.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41286898712709,"sku":"CM-000135-DVR","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/EE11.png?v=1767559574"},{"product_id":"db9-rs232-rs485-terminal-adapter","title":"DB9 RS232 RS485 Terminal Adapter","description":"\u003ch3 class=\"t1\"\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"t2\"\u003eRS232 D-Sub 9 pin normal density connectors.\u003c\/li\u003e\n\u003cli class=\"t2\"\u003eTin plated housing.\u003c\/li\u003e\n\u003cli class=\"t2\"\u003eIndustry standard commercial DB9 female \u0026amp; male solder cup connector.\u003c\/li\u003e\n\u003cli class=\"t2\"\u003eMaximum wire size is 20 AWG\u003c\/li\u003e\n\u003cli class=\"t2\"\u003eUL94V-0 rated connector insulator.\u003c\/li\u003e\n\u003cli class=\"t2\"\u003eSize: 35MM*33MM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41491098075269,"sku":"CM-000154-DVR","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/rs485.png?v=1768314267"},{"product_id":"usb-to-rs485-module","title":"USB to RS485 Module","description":"\u003cp\u003e\u003cspan\u003eUSB to RS485 converter supports USB 1.1\/2.0\/3.0, with CH340 chip for parallel connections, baud rates 2400bps-115.2Kbps, and lightning protection. Compatible with multiple OS.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv id=\"Introduction\" class=\"content Introduction\"\u003e\n\u003ch4\u003eIntroduction:\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003eThis USB to RS485 converter module is compatible with USB 1.1, USB 2.0 and USB 3.0. An RS485 asynchronous data communication interface can be extended from the USB port of a PC to communicate with other RS485 devices.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/cache3\/data\/FIT0737\/1-0511_0x0.jpg.webp\" alt=\"USB to RS485 Module\" title=\"USB to RS485 Module\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe module adopts CH340 interface chip and supports parallel connection. It can drive multiple devices at the same time. The converter supports a baud rate of 2400bps-115.2Kbps and has lightning protection on the RS485 line, which effectively ensures the load capacity and stable operation of the module.\u003c\/p\u003e\n\u003cp\u003eSupporting Linux, Windows, Android, and Mac OS, this module can be applied to aviation and military systems, high-speed railway electrical, railway dispatching, power station, industrial scenes, and other RS485 equipment driving.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eElectrical Standard: USB2.0\/3.0, RS485 compliant\u003c\/li\u003e\n\u003cli\u003eTransmission Rate: 2400bps-115.2Kbps\u003c\/li\u003e\n\u003cli\u003eWorking Mode: asynchronous half-duplex (RS485) adaptive\u003c\/li\u003e\n\u003cli\u003eLoad Capacity: parallel connection, drive multiple RS485 devices\u003c\/li\u003e\n\u003cli\u003ePower Consumption: 1W\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -40-85℃\u003c\/li\u003e\n\u003cli\u003eSize: about 83mm*26mm*17mm \/ 3.27*1.02*0.67 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content documents\"\u003e\n\u003ch4\u003eDocuments\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wch-ic.com\/downloads\/CH341SER_EXE.html\" target=\"_blank\"\u003eDrive\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":41593390235781,"sku":"CM-000171-DFR","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_91a8610e-f1e8-4bdb-9a30-e5b1f447df9a.png?v=1776770973"}],"url":"https:\/\/robotpishop.com\/collections\/serial-usb-communications.oembed","provider":"Robot Pi Shop","version":"1.0","type":"link"}