Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | AM2302 (DHT22) |
| Operating Voltage | 3.3V - 5.5V DC |
| Temperature Range | -40°C to 80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.5°C |
| Humidity Accuracy | ±2% RH |
| Interface Type | Single-wire Digital |
| Pin Configuration | 4-Pin Header |
| Sampling Period | 2 Seconds |
| Brand | TELESKY |
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with my Uno. Accuracy seems spot on compared to my home thermostat. Easy to wire up.
Anonymous
Feb 22, 2026
Rating: 5/5
Better than the DHT11
Wider range and better accuracy. Worth the extra cost over the blue DHT11 sensor for serious projects.
Anonymous
Feb 06, 2026
Rating: 3/5
Pin arrived bent
One pin was slightly bent in shipping. Bent it back and it works, but packaging could be more protective.
Anonymous
Jan 23, 2026
Rating: 5/5
Works with Raspberry Pi
Connected directly to GPIO with a pull-up resistor. No issues so far running Python scripts.
Anonymous
Jan 22, 2026
Rating: 4/5
Good sensor, slow update
Reliable readings but remember it only updates every 2 seconds. Not suitable for rapid temperature changes.
Q: Is a pull-up resistor required?
A: Yes, a 10k ohm pull-up resistor between the data pin and VCC is required for stable communication.
Q: What is the maximum recommended cable length?
A: We recommend keeping connection wires under 20 meters to avoid signal degradation.
Q: Can I use this sensor outdoors?
A: The sensor itself is not waterproof. You must use a waterproof enclosure for outdoor applications.
Q: Does this work with 3.3V logic levels?
A: Yes, it operates between 3.3V and 5.5V DC, making it compatible with both 3.3V and 5V microcontrollers.
Q: Which library should I use for Arduino?
A: The Adafruit DHT library is widely recommended and supported for most platforms including Arduino.
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