{"product_id":"crowpanel-2-1inch-hmi-esp32-rotary-display-480-480-ips-round-touch-knob-screen","title":"CrowPanel 2.1inch-HMI ESP32 Rotary Display 480*480 IPS Round Touch Knob Screen","description":"\u003ch2\u003e\u003cspan\u003eWhat is a rotary screen?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eThe \u003cstrong\u003erotary\u003c\/strong\u003e\u003cstrong\u003e screen\u003c\/strong\u003e is an intelligent interactive device that usually consists of a \u003cstrong\u003ecircular knob\u003c\/strong\u003e and a display. The knob can be rotated to control various functions, while the display is used to display relevant information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eESP32 Display - 2.1 inch rotary screen, uses high-performance \u003cstrong\u003eESP32-S3\u003c\/strong\u003e chip, equipped with 32-bit dual-core chip. The maximum clock frequency reaches \u003cstrong\u003e240MHz\u003c\/strong\u003e, with strong performance and the ability to handle complex tasks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eSupports \u003cstrong\u003e2.4G WiFi and BLE low-power Bluetooth\u003c\/strong\u003e, to achieve reliable wireless communication, easily connect to the \u003cstrong\u003eInternet\u003c\/strong\u003e, suitable for \u003cstrong\u003esmart home, industrial control, portable devices and other scenarios\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eSupports \u003cstrong\u003ecapacitive touch operation\u003c\/strong\u003e and \u003cstrong\u003eknob input\u003c\/strong\u003e, the knob supports \u003cstrong\u003eclockwise, counterclockwise rotation\u003c\/strong\u003e and \u003cstrong\u003efull press operation\u003c\/strong\u003e, smooth feel, and various interaction methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe \u003cstrong\u003e5V charging interface\u003c\/strong\u003e supports both power supply and program burning, and is also equipped with three expansion interfaces:\u003cstrong\u003e UART, I2C, and FPC\u003c\/strong\u003e, to meet various development needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eIt supports \u003cstrong\u003eArduino IDE\u003c\/strong\u003e and supports the \u003cstrong\u003eLVGL library\u003c\/strong\u003e; you can design the UI interface yourself. It is an ideal platform for DIY projects like a \u003cstrong\u003emechanical keyboard knob.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eESP32 Display - 2.1 inch rotary knob screen is not just an interactive module, but an intelligent interaction solution that combines high performance, multi-function, and ease of use. Whether you are an IoT developer, smart home enthusiast, or professional, you can find an efficient tool that meets your needs.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"video-box\"\u003e\u003ciframe title='Unboxing \u0026amp; Assembling the CrowPanel 2.1\" HMI ESP32 Rotary Touch Knob Screen' src=\"https:\/\/www.youtube.com\/embed\/SPHrUnS3Py0?enablejsapi=1\u0026amp;origin=https%3A%2F%2Fwww.elecrow.com\" width=\"560\" height=\"315\" id=\"856561517\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/feature_of_2.1inch_Rotary_display.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/feature_of_2.1inch_Rotary_display.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/feature_of_2.1inch_Rotary_display.jpg\" alt=\"feature of 2.1inch ESP32 Rotary display\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRotary input with a smooth feel\u003c\/span\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_supports_capacitive_touch.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_supports_capacitive_touch.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_supports_capacitive_touch.jpg\" alt=\"2.1inch ESP32 Rotary display with smooth rotary feeling\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupport multiple development environments\u003c\/span\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_support_multiple_enviornments.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_support_multiple_enviornments.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_support_multiple_enviornments.jpg\" alt=\"2.1inch rotary screen support multiple development environments\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eCompatible with the LVGL graphics library\u003c\/span\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1_rotary_display_is_compatible_with_LVGL.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1_rotary_display_is_compatible_with_LVGL.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1_rotary_display_is_compatible_with_LVGL.jpg\" alt=\"2.1inch knob screen compatible with LVGL graphics library\" width=\"1200\" height=\"600\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eApplication Scenarios\u003c\/span\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/applications_of_2.1inch_Rotary_display.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/applications_of_2.1inch_Rotary_display.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/applications_of_2.1inch_Rotary_display.jpg\" alt=\"applications of 2.1inch ESP32 Rotary display\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_smart_home.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_smart_home.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_smart_home.jpg\" alt=\"2.1inch rotary display used for smart home\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_secondary_screen.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_secondary_screen.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_secondary_screen.jpg\" alt=\"2.1inch rotary display used as a PC secondary screen\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_pc_monitor.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_pc_monitor.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/2.1inch_Rotary_display_used_for_pc_monitor.jpg\" alt=\"2.1inch rotary display used for volume control\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDetails Overview\u003c\/span\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/size_of_2.1inch_Rotary_display.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/size_of_2.1inch_Rotary_display.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/size_of_2.1inch_Rotary_display.jpg\" alt=\"size of 2.1inch ESP32 Rotary display\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cpicture\u003e\u003csource type=\"image\/webp\" srcset=\"https:\/\/media-cdn.elecrow.com\/media\/webp_image\/wysiwyg\/products\/2025\/DHE03921D\/hardware_overview_of_2.1inch_Rotary_display.webp\"\u003e\u003csource type=\"image\/jpg\" srcset=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/hardware_overview_of_2.1inch_Rotary_display.jpg\"\u003e\u003cimg src=\"https:\/\/www.elecrow.com\/media\/wysiwyg\/products\/2025\/DHE03921D\/hardware_overview_of_2.1inch_Rotary_display.jpg\" alt=\"hardware overview of 2.1inch ESP32 Rotary display\" width=\"1200\" height=\"492\"\u003e\u003c\/source\u003e\u003c\/picture\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 id=\"section1\"\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eInteraction mode\u003c\/strong\u003e: supports \u003cstrong\u003eknob input\u003c\/strong\u003e, the knob supports clockwise, counterclockwise rotation and \u003cstrong\u003efull press operation\u003c\/strong\u003e, and can \u003cstrong\u003eadjust volume, brightness\u003c\/strong\u003e, etc.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eTouch function\u003c\/strong\u003e: supports\u003cstrong\u003e capacitive touch\u003c\/strong\u003e, sensitive operation, and provides a smooth user experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eHigh-performance main control\u003c\/strong\u003e: equipped with a 32-bit dual-core \u003cstrong\u003eESP32-S3 chip\u003c\/strong\u003e, equipped with \u003cstrong\u003e8M PSRAM and 16M flash memory\u003c\/strong\u003e, and the maximum clock frequency is \u003cstrong\u003e240MHz\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eWireless communication\u003c\/strong\u003e: supports \u003cstrong\u003e2.4G WiFi and BLE\u003c\/strong\u003e low-power Bluetooth to achieve data exchange and remote control between devices.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eExpansion interface\u003c\/strong\u003e: equipped with a \u003cstrong\u003e5V charging interface\u003c\/strong\u003e, supports power supply and program burning; provides three expansion interfaces: \u003cstrong\u003eUART, I2C and FPC\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eLow power design\u003c\/strong\u003e: supports low power mode, suitable for \u003cstrong\u003esmart home appliances\u003c\/strong\u003e and portable devices.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eMulti-language development\u003c\/strong\u003e: supports \u003cstrong\u003eArduino IDE and theLVGL \u003c\/strong\u003elibrary.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003eApplication scenarios\u003c\/strong\u003e: suitable for \u003cstrong\u003esmart home, industrial control, IoT projects, access control systems, Industrial control, portable devices\u003c\/strong\u003e, and other scenarios.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eWho Needs This?\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eMakers\/open source hardware enthusiasts: DIY smart home controllers, light regulators, desktop instruments, custom input devices, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eHome appliance or IOT manufacturers: develop customized control equipment, shorten product design cycle, intend to mass produce, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eEducation and training institutions: provide teaching kits for courses related to embedded systems, the Internet of Things, and UI design, which are easy for students to get started and intuitive to operate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"section2\"\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable class=\"MsoTableGrid\" border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" valign=\"top\" width=\"568\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eMain Chip: ESP32-S3R8\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eProcessor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eEquipped with high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eSystem memory\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e512KB SRAM、8M PSRAM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eStorage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e16M Flash\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" valign=\"top\" width=\"568\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eScreen\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eSize\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e2.1 inch\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eScreen Type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eIPS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eTouch Type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eCapacitive Touch\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eResolution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e480*480\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" valign=\"top\" width=\"568\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eWireless Communication\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eBluetooth\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eBluetooth Low Energy and Bluetooth 5.0\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eWiFi\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eSupport 802.11a\/b\/g\/n，2.4GH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" valign=\"top\" width=\"568\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eHardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eUART Interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e1x UART1, 1x UART0; ZX-MX 1.25-4P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eI2C Interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eZX-MX 1.25-4P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eFPC connector\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e12P, Power supply burning port\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eButton\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eRESET button, BOOT button, confirmation button (knob press switch)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eLED Light\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003ePower indicator\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" valign=\"top\" width=\"568\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eOther\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003ePower Input\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e5V\/1A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e-20~65℃\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eStorage temperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e-40~80℃\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eOperation Power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eModule: DC5V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eMain Chip: 3.3V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eSize\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e79*79*30mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eShell\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003ePlastic + acrylic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"174\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"393\"\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003e\u003cspan\u003e80g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePackage List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e1x ESP32 Display-2.1 inch Rotary Display \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e1x 50 cm MX1.25 to USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e1X 4pin Dupont Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"section4\"\u003e\u003cspan\u003eWiki \u0026amp; External links\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.elecrow.com\/wiki\/CrowPanel_2.1inch-HMI_ESP32_Rotary_Display_480_IPS_Round_Touch_Knob_Screen.html\"\u003eWiki of 2.1inch rotary display\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.elecrow.com\/download\/product\/DHE03921D\/User_Manual(Rotary_Display).pdf\"\u003e\u003cspan\u003eUser Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.elecrow.com\/download\/product\/DHE03921D\/esp32-s3_datasheet_en.pdf\"\u003eESP32-S3 Datasheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.elecrow.com\/download\/product\/DHE03921D\/FCC_Report.pdf\"\u003eFCC Report of 2.1inch rotary display\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.elecrow.com\/download\/product\/DHE03921D\/CE-Report.pdf\"\u003e\u003cspan\u003eCE Report of 2.1inch roatary display\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.elecrow.com\/download\/product\/DHE03921D\/RoHs_Report.pdf\"\u003e\u003cspan\u003eRoHs Report of 2.1inch rotary display\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elecrow","offers":[{"title":"Default Title","offer_id":41718075392133,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_a2f8e36b-fcd7-4957-b90d-a060ef96c953.png?v=1781697342","url":"https:\/\/robotpishop.com\/products\/crowpanel-2-1inch-hmi-esp32-rotary-display-480-480-ips-round-touch-knob-screen","provider":"Robot Pi Shop","version":"1.0","type":"link"}