DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor

Availability

In stock

DHT20/AHT20-based I2C temperature and humidity sensor in a DHT-pin-compatible package, as an upgrade over earlier DHT sensors.

Logical pinout · physical placement not verified

VIN1
board power input at controller logic level
Type · PowerVoltage · match microcontroller logic level, commonly 3.3V or 5V
SDA2
I2C data line
Type · I2CVoltage · same logic level as VIN, 10K pull-up on board per Learn page
GND3
common ground for power and logic
Type · GroundVoltage · 0V
SCL4
I2C clock line
Type · I2CVoltage · same logic level as VIN, 10K pull-up on board per Learn page

Pin	Position	Type	Function	Voltage
VIN	1	Power	board power input at controller logic level	match microcontroller logic level, commonly 3.3V or 5V
SDA	2	I2C	I2C data line	same logic level as VIN, 10K pull-up on board per Learn page
GND	3	Ground	common ground for power and logic	0V
SCL	4	I2C	I2C clock line	same logic level as VIN, 10K pull-up on board per Learn page

Logical pinout · physical placement not verified

Pin details

4 connections

VIN
board power input at controller logic level
PowerVoltage · match microcontroller logic level, commonly 3.3V or 5V
1
SDA
I2C data line
I2CVoltage · same logic level as VIN, 10K pull-up on board per Learn page
2
GND
common ground for power and logic
GroundVoltage · 0V
3
SCL
I2C clock line
I2CVoltage · same logic level as VIN, 10K pull-up on board per Learn page
4

Start wiring

I2C · SPI · Single data line · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

Module pins: VIN, GND, SDA, SCL. Schematik maps them to your board in the app.

Temp & humidity

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Pinout