node-red-contrib-rpi-imagecapture

This node allows to take picture from standard USB webcam connected to a Raspberry.

It uses the fswebcam package.

Prerequisites

Install the fswebcam package on the Raspberry

Install

From your node-red directory:

npm install node-red-contrib-rpi-imagecapture

or

in the Node-red, Manage palette, Install node-red-contrib-rpi-imagecapture

Usage

The fswebcam configuration needs to be defined into a file stored in the Raspberry. The available options can be found using the fswebcam -help command.

For example :

device /dev/video0 resolution 640X480 set brightness=70% set contrast=70% no-banner jpeg 95 skip 10 set "Focus, Auto"=False set "Focus (absolute)"=7 rotate 180

The path to the configuration file needs to be defined into the node properties.

Input

The picture is captured when a msg arrived into the node.

Output

The captured picture is stored in a Buffer object in msg.payload.capturedImg.

License

MIT License