{"product_id":"rainbowlink-4-channel-usb-to-serial-converter-rs485-rs232-ttl","title":"RainbowLink 4 Channel USB to Serial Converter (RS485 \/ RS232 \/ TTL)","description":"\u003cdiv id=\"Introduction\" class=\"content Introduction\"\u003e\n\u003ch4\u003eIntroduction\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003eRainbowLink is an advanced USB protocol converter designed for efficient multi-channel serial communication and power output, tailored for IoT and industrial applications. Featuring\u003cb\u003e\u003cspan\u003e \u003c\/span\u003e4 independent channels—RS485, RS232, and 2 TTL channels\u003c\/b\u003e—RainbowLink serves as an all-in-one solution for engineers managing multiple communication protocols in IoT ecosystems. The device\u003cspan\u003e \u003c\/span\u003e\u003cb\u003esupports Windows and Linux\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eoperating systems, and it is compatible with devices like\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-278.html\" target=\"_blank\"\u003eLattePanda\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-272.html\" target=\"_blank\"\u003eRaspberry Pi\u003c\/a\u003e. RainbowLink is driver-free for most setups; however, installing the optional drivers enhances functionality by assigning unique device identifiers, making it even easier to manage.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWith simultaneous 12V, 5V, and 3.3V power outputs\u003c\/b\u003e, RainbowLink eliminates the need for multiple converters and external power supplies, making it ideal for testing and development across diverse industrial, agricultural, and laboratory environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/allinone-1_0x0.jpg.webp\" alt=\"RainbowLink USB protocol converter offers all-in-one convenience\" title=\"RainbowLink USB protocol converter offers all-in-one convenience\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuick-Connect Lever Terminals for Easy Wiring\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eRainbowLink features lever-type quick-connect terminals, allowing for rapid, reliable wiring without the need for tools or connectors. This innovative design supports over 2000 connect-disconnect cycles and fits both pin headers and sockets, ensuring maximum flexibility. The result is a clean, organized setup that reduces preparation time and minimizes the risk of loose connections, essential for reliable test environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/wiring_0x0.jpg.webp\" alt=\"Quick-Connect Lever Terminals for Easy Wiring USB protocol converter\" title=\"Quick-Connect Lever Terminals for Easy Wiring USB protocol converter\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4 Independent Channels in 1 Device\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eRainbowLink combines four isolated communication channels—1×RS485, 1×RS232, and 2×TTL—within a single device. This setup allows engineers to replace multiple converters, streamlining configurations and reducing clutter on workstations. Each channel operates independently, enabling simultaneous monitoring and control of multiple serial devices, greatly simplifying complex multi-protocol setups.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/4channel_0x0.jpg.webp\" alt=\"Four Independent Channels (RS485 \/ RS232 \/ TTL) in One Device\" title=\"Four Independent Channels (RS485 \/ RS232 \/ TTL) in One Device\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFlexible Power Output Options\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSupporting a range of testing needs, RainbowLink provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA). This versatile power solution ensures compatibility with various sensors and devices, especially in field testing where power sources are limited. With RainbowLink, external power supplies are no longer necessary, allowing for quick and convenient sensor testing even in remote or outdoor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/VoltageOutput-1_0x0.jpg.webp\" alt=\"RainbowLink provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA)\" title=\"RainbowLink provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA)\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/TEL0190-TABLE-1_0x0.jpg.webp\" alt=\"Generic USB Converter VS RainbowLink V1 VS RainbowLink V2\" title=\"Generic USB Converter VS RainbowLink V1 VS RainbowLink V2\"\u003e\u003c\/p\u003e\n\u003cp\u003eCamparsion Table: Generic USB Converter VS RainbowLink V1 VS RainbowLink V2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003ch4\u003eApplications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial Sensor Testing and Debugging\u003c\/li\u003e\n\u003cli\u003eMulti-Protocol Device Debugging\u003c\/li\u003e\n\u003cli\u003eLaboratory and Development Board Debugging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/applications_0x0.jpg.webp\" alt=\"Wiring RS485 soil sensor and RainbowLink Converter to Detect Soil Moisture\" title=\"Wiring RS485 soil sensor and RainbowLink Converter to Detect Soil Moisture\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Wiring RS485 soil sensor and RainbowLink Converter to Detect Soil Moisture\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecification:\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUSB Interface: Type-C\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eBaud Rate: 2400 - 128,000 bps\u003c\/li\u003e\n\u003cli\u003eTTL Level: 3.3V\u003c\/li\u003e\n\u003cli\u003eTTL Channels: 2\u003c\/li\u003e\n\u003cli\u003eRS485 Channel: 1\u003c\/li\u003e\n\u003cli\u003eRS232 Channel: 1\u003c\/li\u003e\n\u003cli\u003eOutput Voltage:\u003cbr\u003e       3.3V: Rated current 200mA\u003cbr\u003e       5V: Directly connected to the Type-C interface (Max 2A when connected to a Type-C port on a computer; Max 500mA when connected to a USB-A port)\u003cbr\u003e       12V: Rated current 800mA\u003c\/li\u003e\n\u003cli\u003eCompatibility: Supports Windows and Linux; compatible with LattePanda and Raspberry Pi.\u003c\/li\u003e\n\u003cli\u003eDriver Requirements: Driver-free for basic functionality; installing drivers enhances performance with unique device identifiers.\u003c\/li\u003e\n\u003cli\u003eDimensions: 72mm x 47mm x 23mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"Shipping-List\" class=\"content ShippingList\"\u003e\n\u003ch4\u003eShipping List\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eRainbowLink 4 Channel USB to Serial Converter (RS485 \/ RS232 \/ TTL) x1\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:\/\/wiki.dfrobot.com\/tel0185\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41762843656325,"sku":"CM-000176-DFR","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/TEL0185_Main_01_150x100_jpg.webp?v=1783946506","url":"https:\/\/robotpishop.com\/products\/rainbowlink-4-channel-usb-to-serial-converter-rs485-rs232-ttl","provider":"Robot Pi Shop","version":"1.0","type":"link"}