Temperature and Relative Humidity Sensor Module (DHT11)
DHT11 module measuring temperature (0–50 °C, ±2 °C) and humidity (20–90% RH, ±5% RH) via a single-wire digital interface at 3.3–5.5 V. Low-cost option for non-critical environmental monitoring.
Pinout
- S1?
digital data output
Type · Signal - VCC2?
supply
Type · PowerVoltage · 3.3-5V - GND3?
ground
Type · Ground
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| S | 1? | Signal | digital data output | |
| VCC | 2? | Power | supply | 3.3-5V |
| GND | 3? | Ground | ground |
Pin details
3 connections- S1?
digital data output
Signal - VCC2?
supply
PowerVoltage · 3.3-5V - GND3?
ground
Ground
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, S. Schematik maps them to your board in the app.
Temp & humidity
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