{"product_id":"es30f27-multi-function-esp32-relay-expansion-board","title":"ES30F27 Multi-Function ESP32 Relay Expansion Board","description":"\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 205)\"\u003eES30F27 Multi-Function ESP32 Relay Expansion Board expansion board designed and produced by eletechsup. It has a DIN rail enclosure and rich onboard resources. In addition to 8 NPN opto-isolated inputs and 8 10A relays, it also leads to I2C SPI interfaces. Each functional port is clearly marked to facilitate the development of IOT projects.\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cspan style=\"color: rgb(255, 0, 0)\"\u003eNote: This board cannot 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\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e1 Working voltage: DC 12V\/24V\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e2 Operating Current : Standby current 15MA, Standby current 52MA (Digital tube ON), 1 relay open 77MA, 2 relays open 106MA, 3 relays open 134MA, 4 relays open 165MA,5 relays open 185MA, 6 relays open 213MA, 7 relays open 258MA, 8 relays open 300MA\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e3 On-board resources: 1x RS485 Interface 8x 10A relay outputs,8x opto-isolated inputs (low level trigger, NPN type), 1x I2C,1x SPI,7x ADC,1x LED,1x Button,1x30PIN ESP32 slots.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e4 Size 175*90*40mm\u003cbr\u003e\u003cbr\u003e5 Weight : 240g\u003cbr\u003e\u003cbr\u003e\u003cbr\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)\"\u003eNote: ES30F27 is an expansion board and cannot work alone. You need to prepare your own ESP32 board and program it.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAs long as you write ESP32 code,You can use it to achieve a variety of delay timer function,such as:\u003cbr\u003e\u003cbr\u003eWIFI remote control switch\u003cbr\u003e\u003cbr\u003ePLC digital analog IO expansion board\u003cbr\u003e\u003cbr\u003eI2C SPI input and output controller\u003cbr\u003e\u003cbr\u003eRS485 Master-Slave Device(PLC MCU),\u003cbr\u003e\u003cbr\u003eMotor forward and reverse,\u003cbr\u003e\u003cbr\u003eTiming on,Timing off,\u003cbr\u003e\u003cbr\u003ePower-up delay,Trigger delay,\u003cbr\u003e\u003cbr\u003eInfinite loop delay,\u003cbr\u003e\u003cbr\u003eA finite number of cyclic delays,\u003cbr\u003e\u003cbr\u003ePower sequencer,\u003cbr\u003e\u003cbr\u003eAnd so on.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(178, 34, 34)\"\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.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(178, 34, 34)\"\u003eESP32 can be developed using ESPhome, and can develop the following but not limited to WIFI HTTP MQTT Modbus and other protocols (we do not provide these routines, you can find relevant learning materials on the ESP32 official website)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(178, 34, 34)\"\u003eIf you need more functionality, write your own code. We do not provide additional code and technical support\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255)\"\u003eNOTE : Please use this specification ESP32 board:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255)\"\u003e1 30PIN IO;2 Pin width 25.4MM (board width about 28MM)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 0, 0)\"\u003eNote: ES30F27 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\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e","brand":"Eletechsup Retail Original Factory Store ","offers":[{"title":"DC 12V","offer_id":47254630596765,"sku":"ES30F27_12V","price":39.95,"currency_code":"USD","in_stock":true},{"title":"DC 24V","offer_id":47254630629533,"sku":"ES30F27_24V","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S1e1192b586db4a80ad3ca19bf14ed9edm.webp?v=1759023169","url":"https:\/\/eletechsup.com\/products\/es30f27-multi-function-esp32-relay-expansion-board","provider":"Eletechsup Retail Original Factory Store ","version":"1.0","type":"link"}