A specialized tool for reading real-time climate data from DHT11 sensors via Raspberry Pi GPIO pins.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install dht11-temp
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install dht11-temp using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is DHT11 Temperature & Humidity Sensor?
The DHT11 Temperature & Humidity Sensor skill is a robust utility designed to interface directly with hardware sensors on ARM-based devices like the Raspberry Pi. This integration allows users to pull accurate environmental metrics using a simple Python-based interface, making it a cornerstone for climate monitoring within the Openclaw Skills ecosystem.
By supporting configurable GPIO pins through command-line arguments or environment variables, this skill provides the flexibility needed for complex hardware setups. Whether you are building a personal weather station or a server room monitor, this skill streamlines the process of data acquisition from low-cost DHT11 sensors.
DHT11 Temperature & Humidity Sensor Use Cases
- Monitoring indoor climate conditions in a smart home environment.
- Setting up automated alerts for server room temperature spikes.
- Collecting long-term environmental data for gardening or greenhouse management.
- Integrating real-time sensor data into larger Openclaw Skills automation workflows.
How DHT11 Temperature & Humidity Sensor Works
- The skill initializes communication with the DHT11 sensor via a specified GPIO pin.
- It sends a start signal to the sensor and awaits the digital response pulse.
- The Python script decodes the bitstream to extract 40 bits of data representing humidity and temperature.
- Validated data is output as two separate lines for easy parsing by other Openclaw Skills or logging tools.
DHT11 Temperature & Humidity Sensor Setup
First, ensure your hardware is wired correctly with a 10K pull-up resistor between the DATA and VCC lines. Then, install the necessary Python library:
pip3 install RPi.GPIO
Run the skill using sudo to grant GPIO access:
sudo python3 scripts/dht/main.py
You can override the default GPIO pin (19) by passing a pin number as an argument or setting the DHT_PIN environment variable.
DHT11 Temperature & Humidity Sensor Data Schema & Taxonomy
The skill produces a simple, newline-delimited output format for maximum compatibility:
| Line | Data Type | Unit |
|---|---|---|
| 1 | Temperature | Celsius (°C) |
| 2 | Humidity | Percentage (%) |
Configuration is managed via the following parameters:
- DHT_PIN: The GPIO pin number (BCM numbering) used for the data wire. Defaults to 19.
DHT11 Temperature & Humidity Sensor Advanced Features
- Custom GPIO Mapping: Full support for dynamic pin assignment via environment variables or CLI arguments to match your specific wiring.
- Automation Ready: Optimized for use with crontab to enable scheduled logging and environmental tracking.
- Robust Integration: Built to follow the standards of Openclaw Skills, ensuring reliable data extraction from hardware pins even in shared environments.
SKILL.md
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