node-red-contrib-dahua-camera-light

Node-RED node to control Dahua DH-F4C-LED camera light via RPC2 protocol.

Features

• Control Dahua camera LED light brightness
• Support for Manual, Auto, and Off modes
• Multi-profile support - applies settings to all camera profiles (General, Day, Night)
• Session caching for better performance
• Automatic retry on session timeout

Installation

npm install node-red-contrib-dahua-camera-light

Or via Node-RED:

1. Open Node-RED
2. Go to menu → Manage palette
3. Install tab
4. Search for node-red-contrib-dahua-camera-light
5. Click Install

Usage

Configuration

• Camera IP: Dahua camera IP address
• Username: Username for camera access
• Password: Password for camera access

Input Commands (msg.payload)

Numeric values:

• Any number 1-100 - Manual mode with specified brightness
• Example: 50 sets manual mode at 50% brightness

String commands:

• "on" - Manual mode at 100% brightness
• "off" - Turn light off
• "auto" - Auto mode at 100% brightness
• "auto 75" - Auto mode with specified brightness

Examples

// Manual mode at 25% brightness
msg.payload = 25;

// Manual mode at 100% brightness
msg.payload = "on";

// Turn light off
msg.payload = "off";

// Auto mode at 100% brightness
msg.payload = "auto";

// Auto mode at 60% brightness
msg.payload = "auto 60";

Camera View

Compatibility

• Node-RED version 1.0+
• Node.js version 12+
• Dahua cameras with RPC2 support (tested on DH-F4C-LED)

Recent Updates

v1.1.0

• Fixed multi-profile support: Now applies light settings to all camera profiles (General, Day, Night) instead of just Day profile
• Improved reliability and session management

Support

If this node helped you, consider buying me a coffee! ☕

License

MIT

Publish

cp /data/.npmrc /usr/src/node-red/.npmrc npm publish