Overview
Grove-Temperature & Humidity Sensor Pro is a high accuracy temperature and humidity sensor based on the DHT22 module (also known as AM2302 or RHT03). High-cost performance and high precision make it ideal for temperature and humidity monitoring of Arduino and Raspberry Pi, you can also use it to make a thermometer and hygrometer.
The DHT22 includes a capacitive humidity sensor and a high precision temperature sensor. The range of humidity sensor is 0 to 99.9 %RH with ±2% accuracy while the temperature sensor ranges from -40 to 80℃ with ±0.5℃ accuracy. With the help of a built-in 8-bit microcontroller, the DHT22 converts the analog output of those two sensors to the digital signal, and output both temperature and humidity data via a single pin.
Compared with the DHT11, this product has higher precision and wider measurement range, but the usage and code are almost the same. Simply put, if you need higher measurement accuracy, this product will be a better choice.
Tech specs
|
Item |
Min |
Norm |
Max |
Unit |
|
VCC |
3.3 |
- |
6 |
V |
|
Measuring Current Supply |
1 |
- |
1.5 |
mA |
|
Standby Current Supply |
40 |
- |
50 |
uA |
|
Measuring range (Humidity) |
5% |
- |
99% |
RH |
|
Measuring range (Temperature) |
-40 |
- |
80 |
°C |
|
Accuracy(Humidity) |
- |
- |
±2% |
RH |
|
Accuracy (Temperature) |
- |
- |
±0.5 |
°C |
|
Resolution (Humidity) |
- |
- |
0.1% |
RH |
|
Resolution (Temperature) |
- |
- |
0.1 |
°C |
|
Repeatability(Humidity) |
- |
- |
±0.3% |
RH |
|
Repeatability (Temperature) |
- |
- |
±0.2 |
°C |
|
Long-term Stability |
- |
- |
±0.5% |
RH/year |
|
Signal Collecting Period |
- |
2 |
- |
S |
|
Respond Time 1/e(63%) |
6 |
- |
20 |
S |
Get Inspired
Easy data logging with grove sensors using the MKR Connector Carrier and MKR boards
Getting started with electronics and sensing the world around you is now easier than ever with the new all-in-one Arduino Sensor Kit from Arduino, in partnership with Seeed. The 10 most popular modules and sensors for your Arduino UNO have been integrated onto a single board, providing plug-and-play convenience without the need for any soldering or wiring! Combining basic Grove sensors and actuators for the Arduino UNO, the kit contains a base shield featuring the following modules that can be connected either through the digital, analog, or I2C connectors: An OLED screen4 digital modules (LED, button, buzzer and potentiometer)5 sensors (light, sound, air pressure, temperature, and accelerometer) Just plug the Arduino Sensor Kit into the Arduino UNO, then you're ready to follow the Plug, Sketch & Play online lessons that make getting started a breeze. The kit is equipped with 16 Grove connectors, which when placed on the board, offer functionality to the various pins. With seven digital connections, four analog connections, four I2C connections, and a UART connection, the base shield can be easily mounted onto an Arduino UNO board and programmed through the Arduino IDE. Now available from the Arduino Store, the Arduino Sensor Kit comes as a standalone kit for only €23.00 / US$25.00, or can be purchased with the Arduino UNO Rev3 board as a great value bundle for €38.70 / US$39.80. For more details, check out our website here.
