humidity
4 pages across tutorials, modules, pinouts and guides.
SHT31 Temperature and Humidity Sensor
A Sensirion SHT31 on a TinkerBlock carrier: two numbers over two shared wires, calibrated at the factory, with the pull-ups already fitted and two jumpers on the back that set the address and take them away again.
DHT11 Temperature and Humidity Sensor
A DHT11 on a TinkerBlock board, the TK38: temperature from 0 to 50 °C to ±2 °C and humidity from 20 to 80 % to ±5 %, in whole numbers, on one data wire. The 10 kΩ pull-up is fitted, so it is three wires and one library. Feed VCC what your board's pins run at: the pull-up ties DATA to it.
DHT22 Temperature and Humidity Sensor
A DHT22 on a TinkerBlock board, the TK39: temperature from −40 to 80 °C to ±0.5 °C and humidity from 0 to 100 % to ±2 %, in tenths, on one data wire. The 10 kΩ pull-up is fitted, so it is three wires and one library. Feed VCC what your board's pins run at, and read it no more than once every two seconds.
Put a DHT22 on the internet in 20 minutes
Wire a temperature and humidity sensor to an ESP32-S3, and watch the readings land on a live dashboard you can open from your phone. No backend, no server, no port forwarding.