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...
Wemos mini shields
In a previous post I looked at the Wemos Mini - http://www.esp8266learning.com/wemos-d1-mini-hardware.php. I also noticed that there were a number of shields that you can...