DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor

Adafruit · 5183

AdafruitView vendor page$4.50 · In stock
Identifier
5183
Price
$4.50
Availability
In stock

The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought the vendor the DHT22.

Pinout

PinPositionTypeFunctionVoltage
VIN1powerboard power input at controller logic levelmatch microcontroller logic level, commonly 3.3V or 5V
SDA2i2c dataI2C data linesame logic level as VIN, 10K pull-up on board per Learn page
GND3groundcommon ground for power and logic0V
SCL4i2c clockI2C clock linesame logic level as VIN, 10K pull-up on board per Learn page

Temp and humidity

18 other options
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DHT11, DHT22/AM2302, and DHT20/AHT20 sensors solve the same broad job, but only some are acceptable substitutes in the same circuit.

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