{"product_id":"es38485-esp32-devkitc-v4-din-rail-expansion-board-rs485-to-wifi-38pin-plc-hmi-ethernet-ble-smart-home-development-board-for-iot-projects","title":"ES38485 ESP32 DevkitC V4 DIN Rail Expansion Board RS485 to WiFi 38PIN PLC HMI Ethernet BLE Smart Home Development Board for IoT Projects","description":"\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eES38485 is a 38-pin ESP32(Espressif ESP32 DevkitC v4) expansion board with RS485 bus interface produced by ELETECHSUP. It lead out all the useful pins except the 3 ports required for RS485. In addition, it also has a wide voltage step-down circuit and can be powered by DC 7-30V. When plugged into the ESP32 board, it becomes a cost-effective main control board with WIFI and RS485.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e38PIN ESP32(ESP32 DevkitC v4) RS485 Expansion board\u003cbr\u003e\n   1 Working voltage DC 7-30V, input reverse polarity protection.\u003cbr\u003e\n   2 With DC 5V external output power supply, minimum output current 0.5A, output short circuit protection.\u003cbr\u003e\n   3 DC 3.3V\/100MA outputpower supply(output only after inserting ESP32 board)\u003cbr\u003e\n   4 Lead out almost all IO ports (Except RS485 PIN IO1\/IO3\/IO17)\u003cbr\u003e\n   5 With high-speed RS485 interface (Baud Rate 0.05K-1000KBPS)\u003cbr\u003e\n   6 RS485 interface with surge protection\u003cbr\u003e\n   7 Optional industrial standard DIN rail enclosure\u003cbr\u003e\n   8 Terminal spacing: 3.96mm.\u003cbr\u003e\n   9 Terminal Blocks: Wire Range 26-16AWG, Strip Length 3.96mm, Metric M2\/M2.5 Slotted Screws.\u003cbr\u003e\n   10 Size: 72 *58 * 12mm(only Board),88 *61 * 35(with Rail Box)\u003cbr\u003e\n   11 Weight: 38g(only Board),90g(with Rail Box)\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eUse:\u003cbr\u003e\n    DIN Rail Mount Screw Terminal Adapter Module for 38 PIN ESP32 Board(ESP32 DevkitC v4).\u003cbr\u003e\n    With this adapter modules, you can easily extend your ESP32 projects to industrial control applications.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNotice:\u003cbr\u003e\n    1:This is just an expansion board. You need to insert a 38-pin ESP32 board when using it.\u003cbr\u003e\n    2: 1\/3\/17PIN is RS485 pin, not individually led out\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eDIN rail Box parameters:\u003cbr\u003e\n   Product model: UM72\u003cbr\u003e\n   Color: Green\u003cbr\u003e\n   Width: suitable for PCB board width UM72(72mm)\u003cbr\u003e\n   Insulation grade: flame-retardant VO grade\u003cbr\u003e\n   Backplane length: suitable for 58mm PCB boards\u003cbr\u003e\n   Net weight: 52g\u003cbr\u003e\n   Installation: DIN35 and C45 rail\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/1779054885459xmx_1777032414749.jpg?v=1777032417\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/1779054886326bkl_1777032416019.jpg?v=1777032419\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/1779054887568hcj_1777032416862.jpg?v=1777032420\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/1779054888340xby_1777032417550.jpg?v=1777032421\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/1779054889012kqx_1777032418363.jpg?v=1777032421\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup Retail Original Factory Store ","offers":[{"title":"only Board","offer_id":47867477688477,"sku":"ES38485","price":14.26,"currency_code":"USD","in_stock":true},{"title":"With DIN Shell","offer_id":47867477721245,"sku":"ES38485_R","price":17.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S56d9c25e0c4d4ee781f7624677a53912b.webp?v=1777032412","url":"https:\/\/eletechsup.com\/products\/es38485-esp32-devkitc-v4-din-rail-expansion-board-rs485-to-wifi-38pin-plc-hmi-ethernet-ble-smart-home-development-board-for-iot-projects","provider":"Eletechsup Retail Original Factory Store ","version":"1.0","type":"link"}