AHT10 AHT20 AHT21 High Precision Digital Temperature Humidity Sensor Measurement Module I2C Communication Replace DHT11 SHT20

*Note:
Please receive this module and leave it in the environment with humidity greater than 80% for 12 hours to ensure the accuracy is restored.
AHT10:
1. Module size: 16*11 mm
2. Interface type: I2C
3. Working voltage: 1.8 – 6.0 V
4. Interface size: 4*2.54mm pitch
5. Humidity accuracy: typical ± 2%
6. Humidity resolution: 0.024%
7. Temperature accuracy: typical ± 0.3 ° C
8. Temperature resolution: Typical 0.01 °C
9. Working temperature: -40°C–85°C

AHT20:
Power supply voltage: 2.0-5.5V DC Measurement range (humidity) : 0~100%RH Measuring range (temperature):-40~+85℃ Humidity accuracy:土2%RH(25℃) Temperature accuracy:土0.3℃ Resolution: Temperature: 0.01℃ Humidity: 0.024%RHOutput signal: l2°℃ signal
1 VIN: Supply voltage 2 GND: Power ground 3 SCL: Serial clock, bidirectional 4 SDA: Serial data, two-way

AHT21B:
Power supply voltage: DC: 2-5.5v Measurement range: temperature: – 40 ~ + 120 ° ℃ humidity: 0 ~ 100% RH Measurement accuracy: temperature: soil 0.3 ° ℃ Humidity: ± 2% RH (25 ° ℃ ) Temperature: 0.01 ℃ Humidity: 0.024% RH Output signal: 12C signal Package: plastic plate