{"product_id":"es30e08-esp32-rs485-wifi-programmable-relay-module-2-4g-wireless-control-smart-switch-expansion-board-for-diy-mqtt-http-tcp-ip-iot","title":"ES30E08 ESP32 30 pins RS485 Wifi Programmable Relay 2.4G Wireless Control Smart Switch Expansion  ESP3 slot RS485 8DI 8DO 8Relay 1Button 1LED For Diy Mqtt Http TCP IP IOT","description":"\u003cdiv\u003e\n\u003cbr style=\"font-family: ''times new roman'', times, serif; font-size: 22px;\"\u003e\u003cspan style=\"font-size: 28px;\"\u003e\u003cspan style=\"font-family: ''times new roman'', times, serif; color: rgb(255, 0, 0);\"\u003e ES30E08 from eletechsup can not work independently, must be under the control of the 30PIN ESP32 board to work,If you do not have a ESP32 board, purchase it separately\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cspan style=\"color: #0000cd;\"\u003eES30E08 is eletechsup's first 30PIN ESP32 expansion board with a shell. Onboard resources include ESP3 slot\/RS485\/8DI\/8Relay\/1Button\/1LED. This expansion board can be used as a DIY WIFI smart home controller or as a RS485 master-slave device.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e1 Operating voltage: DC 12V\/24V\u003cbr\u003e \u003cbr\u003e2 Operating Current : Standby current (Digital tube OFF) 13MA, Standby current 51MA (Digital tube ON), 1 relay open 76MA, 2 relays open 107MA, 3 relays open 133MA, 4 relays open 166MA,5 relays open 185MA, 6 relays open 213MA, 7 relays open 258MA, 8 relays open 290MA\u003cbr\u003e\u003cbr\u003e3 On-board resources: 1x RS485 Interface 8x 10A relay outputs,8x opto-isolated inputs (low level trigger, NPN type), 1x LED,1x Button,1x30PIN ESP32 slots.\u003cbr\u003e\u003cbr\u003e4 size 144*90*40mm\u003cbr\u003e5 Weight : 220g\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eNote: ES30E08 is an expansion board and cannot work alone. You need to prepare your own ESP32 board and program it.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #006400;\"\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\u003e8x RS485 DI-DO\u003cbr\u003eRS485 Master-Slave Device(PLC MCU),\u003cbr\u003eMotor forward and reverse,\u003cbr\u003eLED Controller\u003cbr\u003eTiming on,Timing off,\u003cbr\u003ePower-up delay,Trigger delay,\u003cbr\u003eInfinite loop delay,\u003cbr\u003eA finite number of cyclic delays,\u003cbr\u003ePower sequencer,\u003cbr\u003eAnd so on.\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eThis is an expansion board based on 30PIN ESP32 Board. We only provide some Arduiuo 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\u003cbr\u003e \u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eNOTE : Please use this specification ESP32 board:\u003cbr\u003e1 30PIN IO; 2 Pin width 25.4MM (board width about 28MM)\u003cbr\u003e \u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S605d04040d4e464da0f27f2820c7ebb2H.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc24fe3f24bb547578ff7938f90a490det.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc9680d9f140546c3b24da9c6b24ddf7ek.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6479b0e41efd42f18926a020b4afabebW.jpg\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/div\u003e","brand":"Eletechsup Factory store ","offers":[{"title":"24V without core board","offer_id":46474320314525,"sku":"ES30E08_24V","price":23.99,"currency_code":"USD","in_stock":true},{"title":"12V without core board","offer_id":46474320347293,"sku":"ES30E08_12V","price":23.99,"currency_code":"USD","in_stock":true},{"title":"ESP32 30pins core board","offer_id":48899704422557,"sku":"ESP-30pin","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S64089b0e418e49b5b92cc99e34aeef31n.webp?v=1738860160","url":"https:\/\/eletechsup.com\/es\/products\/es30e08-esp32-rs485-wifi-programmable-relay-module-2-4g-wireless-control-smart-switch-expansion-board-for-diy-mqtt-http-tcp-ip-iot","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}