DHT22

John Phillips

The DF Robot DHT22 module measures temperature and relative humidity and sends the sampled data digitally to the Kookaberry. The DHT22 has slightly better specifications than the cheaper, but more popular, DHT11 module. Specification (DHT22) Supply Voltage: 3-5 V Temperature Range:-40-80℃ / resolution 0.1℃ / error <±0.5℃ Humidity Range: 0-100%RH /  resolution 0.1%RH / error±2%RH Size: 38 x 20 mm …

DHT11

John Phillips

The DF Robot DHT11 module measures temperature and relative humidity and sends the sampled data digitally to the Kookaberry. The DHT11 is a very adequate performer and is considerably more popular than the slightly better specified and slightly more expensive DHT22 module. Specification (DHT11) Voltage range: 3.3-5 V Temperature range :0-50 °C error of ± 2 °C Humidity :20-90% RH …