node-red-contrib-valetudo

Valetudo is a self-contained control webinterface for rooted xiaomi vacuum robots.

valetudo-map-png

A node to convert Valetudo map_data to a png image which can be send to a dashboard template node.

Supports:

• JSON string map from Valetudo >= 0.6.0
• deflated JSON string map from Valetudo >= 2021.01.0b0 (optionally base64 encoded)
• V2 Maps from Valetudo >= 2021.12.0

Input should be an mqtt node from valetudo map_data topic, e.g. valetudo/robot/map_data.

Output is an png image as buffer which can be send (base64 encoded) to a dashboard template node.

Sample flow:

HTML for template node:

<div>
    <img src="data:image/png;base64,{{msg.payload}}" style="width: 100%;height: auto" />
</div>