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Worth of money!...
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The ESP8266 WiFi 5V 1 Channel Relay Module equips with the ESP8266 WiFi module and micro-controllers, through the mobile phone APP to the module to send serial instructions to achieve in the LAN within the relay for wireless control.
This intelligent esp relay module is independently designed and produced by IOTMCU studio. It is designed based on the ESP-01 / 01S WIFI module and can be used for DIY's own intelligent switch. It can provide APP and LUA source programs via mobile APP remote control. This esp module is ready to use, simple and convenient.
Operating voltage | 5V (DC) |
Communication | WIFI |
Load | 10A/250VAC 10A/30VDC |
Dimensions | 5 x 4 x 3cms |
Weight | 25 grams |
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Worth of money!...
I'm using this relay board to connect my ESP8266 'NodeMCU' board with my garage door opener. It works perfectly with the 3.3V output of the ESP8266.
Thank you very much for the timely delivery after complaining about the forgotten item due to the condition being missed
I bought one from Amazon and that was not pre programmed so that didn't work.. I tried to programme it but failed... I would like to know if it needs to be programmed ??
Great product. Extremely useful for projects where you need an integrated relay
I needed this for an IoT project that required an untethered relay
Hello, The relay control pin can be connected to the GPIO-0 of the ESP-01 The state of the relay is not fed back into the ESP-01, so the ESP-01 itself doesn’t know the state of the relay. However, you can maintain the state of the relay in your code. When you turn the relay on, set a variable to true, and when you turn the relay off, set the same variable to false.
Hello, the 5V ESP8266 WiFi relay module you linked typically requires programming to function as desired. It is not pre-programmed and will need to be configured using appropriate software and AT commands or custom firmware. Thank you!