Battery monitoring: the voltage of an 18650 battery is 3.7V and can go up to 4.2V when it is fully charged. The Wemos D1 mini already has an internal voltage divider that connects the A0 pin to the ...
Verified Telemetry (VT) is a state-of-the-art solution to determine the health of the sensor, i.e., working or faulty, which is consequently used to determine the quality of the sensed data. This is ...