DHT22 Temperature Humidity Sensor Module
DHT22 Temperature Humidity Sensor Module capacitive humidity sensing digital temperature. The sensor includes a capacitive sensor. Buy online in Pakistan.
In stock
₨ 750
In stock
DHT22 Temperature and Humidity Sensor Module
DHT22 (AM2302) – Humidity and Temperature Sensor is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.
Features:
- 3.3-5V Input
- 1-1.5mA measuring current
- 40-50 uA standby current
- Humidity from 0-100% RH
- -20 – 80 degrees C temperature range
- +-2% RH accuracy
- +-0.5 degrees C
- Pin Mapping (When the Sensor is kept facing you, left most pin is Pin 1)
- VDD power supply (3.5-5.5V)
- SDA serial data – bidirectional
- NC NC
- GND
Pin Identification:
| No: | Pin Name | Description |
| For DHT22 Sensor | ||
| 1 | Vcc | Power supply 3.5V to 5.5V |
| 2 | Data | Outputs both Temperature and Humidity through serial Data |
| 3 | NC | No Connection and hence not used |
| 4 | Ground | Connected to the ground of the circuit |
| For DHT22 Module | ||
| 1 | Vcc | Power supply 3.5V to 5.5V |
| 2 | Data | Outputs both Temperature and Humidity through serial Data |
| 3 | Ground | Connected to the ground of the circuit |
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: -40°C to 80°C
- Humidity Range: 0% to 100%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±0.5°C and ±1%
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