arduino › sensor module
aosong DHT11 Temperature/Humidity Sensor
Cheapest temp/humidity sensor and the worst quality. Use for learning only — DHT22 is double the price and twice the accuracy. Single-wire protocol; no I2C.
Specifications
- interface
- digital_1wire
- voltage v
- 3v3_or_5v
- library arduino
- DHT_sensor_library
- accuracy
- +/-2C, +/-5%RH
- range
- 0-50C, 20-90%RH
- pin count
- 3
Sources
- SparkFun open product catalog · ingest 2026-05-06
- Adafruit open product catalog · ingest 2026-05-06