Hey everyone! I’ve been working on a module to display a live Google Nest camera feed on MagicMirror² using WebRTC, and wanted to share it with the community.

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MMM-Nest-Camera-WebRTC
https://github.com/brandaorafael/MMM-Nest-Camera-WebRTC

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What it does:

• Streams live video from a Google Nest camera directly on your mirror via WebRTC
• Automatically refreshes OAuth tokens — no manual intervention needed after initial setup
• Keeps the stream alive beyond Nest’s 5-minute session limit via periodic extension
• Includes an audio frequency visualizer — a bar equalizer that reacts to the camera’s audio track (without playing any sound through the mirror)
• Auto-reconnects on connection failure with configurable delay
• Integrates with USER_PRESENCE (e.g. MMM-PIR-Sensor) to suspend/resume the stream when you leave/return
• Supports hiddenOnStartup to defer the WebRTC connection until the module is shown

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Requirements:

• A Google Cloud project with the Smart Device Management API enabled
• A Device Access Console project (~$5 one-time fee to Google)
• OAuth 2.0 credentials (Client ID + Secret)

The README has step-by-step instructions for getting all credentials and completing the initial OAuth setup with the included exchange-nest-code.js CLI tool.

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This is a fork originally based on work by @shbatm — I rewrote the streaming and token logic, added the audio visualizer, and hardened the reconnection/session extension flow. Feedback and issues welcome!