In his continuing Pi adventures, Tom creates another edge device -- this one using a DHT22 sensor to monitor the humidity and temperature in a remote location.

Posted in Raspberry Pi, Transportation Hacks Tagged dht22, HC-SR501, ice, raspberry pi, sql, university of glasgow ← DIY Magnetic Actuator, Illustrated And Demonstrated ...

Sensors used in the Raspberry Pi temperature monitor project include the DSB18B20, DHT22, and Raspberry Pi Sense HAT.

DHT22 gets power, ground and resistor is connected correctly. If all above are right, try to connect your sensor to another GPIO and see if you get reading from that ...