Wemos and MQ-4 gas sensor
The MQ-4 Methane Gas Sensor is a gas sensor that detects the presence of methane gas at concentrations from 200 ppm to 10,000 ppm, a range...
A D-Duino or a Wemos actually its neither
This was an interesting board that I bought, I had been looking at D-Duino's for a while wanting to buy them for a couple...