Wemos D1 ESP8266 based board
The wemos d1 is an Arduino Uno-like wifi board based on ESP-8266EX. You can use the Arduino IDE, NodeMCU and there are other development...
Wemos and a MQ7 Gas Sensor
The MQ7 Gas Sensor module is useful for gas leakage detection. They are used in gas leakage detecting equipments in home and industry, are...