{"product_id":"high-quality-esp32-expansion-board-rs485-modbus-module-for-arduino-plc-smart-home-iot-diy-integrated-circuit-technology","title":"High-Quality ESP32 Expansion Board RS485 Modbus Module for Arduino PLC Smart Home IOT DIY - Integrated Circuit Technology","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eeletechsup\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRelay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct List: \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cstrong\u003e1PCS \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eRS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e(According to the version and quantity you have chosen)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e1 Operating voltage: DC 12V\/DC 24V\u003cbr\u003e\u003cbr\u003e2 Operating Current : Standby current (Digital tube OFF) 14MA, Standby current 51MA (Digital tube ON), 1 relay open 76MA, 2 relays open 107MA, 3 relays open 133MA, 4 relays open 166MA\u003cbr\u003e\u003cbr\u003e3 On-board resources: 1x RS485 Interface 4x opto-isolated inputs (low level trigger, NPN type), 2x 0\/4-20MA Current Input,2x 0-5V\/10V Voltage Input,2x 0-5V\/10V Voltage Output(OR 2x 0\/4-20MA Current Output),1x ESP32 slots,4x relay outputs\u003cbr\u003e\u003cbr\u003e4 size 121*72*19mm(Only Board)\u003cbr\u003e5 Weight : 94g(Only Board), 185g(with shell)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"background-color:rgb(255, 255, 0)\"\u003eFor more information, please open the link and download:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003ehttps:\/\/1drv.ms\/u\/s!Av4PLxH_z8f1gZEc3rOEgcMbZ-aQCw?e=Mz9Rz0\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 100, 0)\"\u003eAs long as you write ESP32 code,You can use it to achieve a variety of delay timer function,such as:\u003cbr\u003eWIFI remote control switch\u003cbr\u003eWIFI Current and voltage collection\u003cbr\u003eRS485 Master-Slave Device(PLC MCU),\u003cbr\u003e2x 0-5V\/10V Voltage Output(OR 2x 0\/4-20MA Current Output)\u003cbr\u003e2x 0\/4-20MA Current Collection,\u003cbr\u003e2x 0-5V\/10V Voltage Collection,\u003cbr\u003eMotor forward and reverse,\u003cbr\u003eTiming on,\u003cbr\u003eTiming off,\u003cbr\u003ePower-up delay,\u003cbr\u003eTrigger delay,\u003cbr\u003eInfinite loop delay,\u003cbr\u003eA finite number of cyclic delays,\u003cbr\u003ePower sequencer,\u003cbr\u003eAnd so on.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eThis is an expansion board based on 38PIN ESP32. We only provide some codes for testing the hardware. More codes and functions need to be developed by yourself.\u003cbr\u003eIf you need more functionality, write your own code. We do not provide additional code and technical support\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNote: ES32C14 can not work independently, must be under the control of the 38PIN ESP32 board to work,If you do not have a 38PIN ESP32 board, purchase it separately or purchase a kit with 38PIN ESP32\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9dd7de6ca2c34d3c84a15d493f66934bb.jpg\" slate-data-type=\"image\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S111be7e86007460c8f2bc69da57dff52a.jpg\" slate-data-type=\"image\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S10d3ed8cf8824e24b6c0e64336e684e1B.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"DC 24V Only Board","offer_id":55513919750443,"sku":"14:350852#DC 24V Only Board","price":131.4,"currency_code":"USD","in_stock":true},{"title":"DC 12V With Shell","offer_id":55513919783211,"sku":"14:351074#DC 12V With Shell","price":155.24,"currency_code":"USD","in_stock":true},{"title":"DC 24V With Shell","offer_id":55513919815979,"sku":"14:4044226#DC 24V With Shell","price":155.12,"currency_code":"USD","in_stock":true},{"title":"DC 12V Only Board","offer_id":55513919848747,"sku":"14:1202#DC 12V Only Board","price":131.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sd4ebb552e7e045bfad9a25648a45cf7fM.webp?v=1789008468","url":"https:\/\/yoeruyo.com\/products\/high-quality-esp32-expansion-board-rs485-modbus-module-for-arduino-plc-smart-home-iot-diy-integrated-circuit-technology","provider":"Yoeruyo","version":"1.0","type":"link"}