MIKROE DHT22 2 Click
mikroBUS temperature and humidity sensor board using the AM2322 sensor with selectable 1-Wire or I2C interface; supports 3.3 V and 5 V. Typical accuracy: ±0.3 °C temperature, ±2% RH; cable-length-rated up to 20 m.
Pinout
- OWmikroBUS PWM pin 16
1-Wire data, selected by onboard jumpers
Type · SignalVoltage · 3.3V or 5V logic - SCLmikroBUS SCL pin 12
I2C clock, selected by onboard jumpers
Type · I2CVoltage · 3.3V or 5V logic - SDAmikroBUS SDA pin 11
I2C data, selected by onboard jumpers
Type · I2CVoltage · 3.3V or 5V logic - +3.3VmikroBUS 3.3V pin 7
3.3V supply input
Type · PowerVoltage · 3.3V - +5VmikroBUS 5V pin 10
5V supply input
Type · PowerVoltage · 5V - GNDmikroBUS GND pins 8 and 9
Ground
Type · GroundVoltage · 0V
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| OW | mikroBUS PWM pin 16 | Signal | 1-Wire data, selected by onboard jumpers | 3.3V or 5V logic |
| SCL | mikroBUS SCL pin 12 | I2C | I2C clock, selected by onboard jumpers | 3.3V or 5V logic |
| SDA | mikroBUS SDA pin 11 | I2C | I2C data, selected by onboard jumpers | 3.3V or 5V logic |
| +3.3V | mikroBUS 3.3V pin 7 | Power | 3.3V supply input | 3.3V |
| +5V | mikroBUS 5V pin 10 | Power | 5V supply input | 5V |
| GND | mikroBUS GND pins 8 and 9 | Ground | Ground | 0V |
Pin details
6 connections- OWmikroBUS PWM pin 16
1-Wire data, selected by onboard jumpers
SignalVoltage · 3.3V or 5V logic - SCLmikroBUS SCL pin 12
I2C clock, selected by onboard jumpers
I2CVoltage · 3.3V or 5V logic - SDAmikroBUS SDA pin 11
I2C data, selected by onboard jumpers
I2CVoltage · 3.3V or 5V logic - +3.3VmikroBUS 3.3V pin 7
3.3V supply input
PowerVoltage · 3.3V - +5VmikroBUS 5V pin 10
5V supply input
PowerVoltage · 5V - GNDmikroBUS GND pins 8 and 9
Ground
GroundVoltage · 0V
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: +3.3V, +5V, GND, OW, SCL, SDA. Schematik maps them to your board in the app.
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