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...
Wemos Mini and the BMP180 shield
Similar to the last post on the DS18b20 shield this was another shield that did not appear on the Wemos site, this time it was...