{"product_id":"dns3485-esp32-s3-wifi-ble-rs485-485-bus-expansion-board-2-4g","title":"DNS3485 ESP32 S3 WiFi BLE RS485 485 BUS Expansion Board 2.4G","description":"\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S50838caaafc74a5a86019985ef7ad8fde.jpg\" slate-data-type=\"image\"\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)\"\u003eDNS3485 is a 44-pin ESP32 S3 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 S3 board, it becomes a cost-effective main control board with WIFI and RS485.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e44PIN ESP32 S3 RS485 expansion board\u003cbr\u003e1 Working voltage DC 7-30V, input reverse polarity protection.\u003cbr\u003e2 With DC 5V external output power supply, minimum output current 0.5A, output short circuit protection.\u003cbr\u003e3 Input power reverse connection protection, RS485 TVS surge protection\u003cbr\u003e4 Lead out almost all IO ports (Except RS485 PIN TX\/RX\/IO1)\u003cbr\u003e5 With high-speed RS485 interface (Baud Rate 0.05K-1000KBPS)\u003cbr\u003e6 Optional industrial standard DIN rail enclosure\u003cbr\u003e7 Terminal spacing: 3.96mm.\u003cbr\u003e8 Terminal Blocks: Wire Range 26-16AWG, Strip Length 3.96mm, Metric M2\/M2.5 Slotted Screws.\u003cbr\u003e9 Supports two widths of ESP32-S3 boards:25.4MM \u0026amp; 28MM\u003cbr\u003e10 Size: 80 *58 * 12mm(only Board),95 *61 * 35mm(with Rail Box)\u003cbr\u003e11 Weight: 42g(only Board),97g(with Rail Box)\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\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\u003eDIN Rail Mount Screw Terminal Adapter Module for 44 PIN ESP32 S3 Board.\u003cbr\u003eWith this adapter modules, you can easily extend your ESP32 projects to industrial control applications.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\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\u003e1:This is just an expansion board. You need to insert a 44-pin ESP32 S3 board when using it.\u003cbr\u003e2: RX\/TX\/1PIN is RS485 pin, not individually led out\u003cbr\u003e3:This product does not include the ESP32 S3 Board\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003eDIN rail Box parameters:\u003cbr\u003eProduct model: UM80\u003cbr\u003eColor: Green\u003cbr\u003eWidth: suitable for PCB board width UM80(80mm)\u003cbr\u003eInsulation grade: flame-retardant VO grade\u003cbr\u003eBackplane length: suitable for 58 mm PCB boards\u003cbr\u003eNet weight: 55g\u003cbr\u003eInstallation: DIN35 and C45 rail\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(165, 42, 42)\"\u003ePlease contact me for detailed information!\u003c\/span\u003e\u003cbr\u003e","brand":"Eletechsup Retail Original Factory Store ","offers":[{"title":"only Board","offer_id":47084704497821,"sku":"DNS3485","price":15.7,"currency_code":"USD","in_stock":true},{"title":"with Rail Box","offer_id":47084704530589,"sku":"DNS3485_R","price":18.55,"currency_code":"USD","in_stock":true},{"title":"USB TO RS485","offer_id":47084704563357,"sku":"UD48501","price":12.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S37d3b26fec9d4f1aada10f0569173bc0C.webp?v=1755267746","url":"https:\/\/eletechsup.com\/products\/dns3485-esp32-s3-wifi-ble-rs485-485-bus-expansion-board-2-4g","provider":"Eletechsup Retail Original Factory Store ","version":"1.0","type":"link"}