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Dht11 Temp

Read temperature and humidity from DHT11 sensor.

Rating
4.2 (431 reviews)
Downloads
3,615 downloads
Version
1.0.0

Overview

Read temperature and humidity from DHT11 sensor.

Complete Documentation

View Source →

DHT11 Temperature & Humidity Sensor

Read temperature and humidity from a DHT11 sensor.

Hardware Setup

Wiring (adjust pin as needed):

text
DHT11 Pinout:
─────────────
1. VCC     → 5V (Pin 2 oder 4)
2. DATA    → GPIO <PIN> + 10K Pull-Up Widerstand → 5V
3. GND     → GND (Pin 6)

Important: The 10K pull-up resistor must be connected between DATA and VCC (5V)!

Installation

bash
# Install dependencies
pip3 install RPi.GPIO

Usage

Read Sensor (default pin 19)

bash
sudo python3 scripts/dht/main.py

Read Sensor (custom pin)

bash
sudo python3 scripts/dht/main.py 4     # Uses GPIO 4

Using Environment Variable

bash
export DHT_PIN=4
sudo python3 scripts/dht/main.py

Output

  • Line 1: Temperature (°C)
  • Line 2: Humidity (%)

Customization

VariableDefaultDescription
DHT_PIN19GPIO pin number

Example crontab entry

bash
# Read every 30 minutes
*/30 * * * * sudo python3 ~/scripts/dht/main.py >> /var/log/dht.log 2>&1

Installation

Terminal bash 

openclaw install dht11-temp
Copied!

💻Code Examples

**Wiring (adjust pin as needed):**

wiring-adjust-pin-as-needed.txt
DHT11 Pinout:
─────────────
1. VCC     → 5V (Pin 2 oder 4)
2. DATA    → GPIO <PIN> + 10K Pull-Up Widerstand → 5V
3. GND     → GND (Pin 6)

pip3 install RPi.GPIO

pip3-install-rpigpio.txt
## Usage

### Read Sensor (default pin 19)

sudo python3 scripts/dht/main.py

sudo-python3-scriptsdhtmainpy.txt
## Output

- Line 1: Temperature (°C)
- Line 2: Humidity (%)

## Customization

| Variable | Default | Description |
|----------|---------|-------------|
| DHT_PIN | 19 | GPIO pin number |

## Example crontab entry

Tags

#smart_home-and-iot

Quick Info

Category Development
Model Claude 3.5
Complexity One-Click
Author noahseeger
Last Updated 3/10/2026
🚀
Optimized for
Claude 3.5
🧠

Ready to Install?

Get started with this skill in seconds

openclaw install dht11-temp

Resources

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