# Turn every escape room puzzle into a Home Assistant device

> **Key Architectural Takeaway:** Djair Guilherme has released two open source Arduino libraries on Hackster that make an escape room puzzle show up in Home Assistant as a device.

**Published:** 2026-10-12T21:22:39+00:00  
**Source:** Adafruit Electronics  
**Category:** open-hardware  
**Canonical URL:** https://fosswire.org/news/turn-every-escape-room-puzzle-into-a-home-assistant-device.html  

## Executive Summary
Djair Guilherme has released two open source Arduino libraries on Hackster that make an escape room puzzle show up in Home Assistant as a device. esp32_escaperoom runs on ESP32 boards and handles WiFi and MQTT. propmaker_escaperoom runs on the RP2040 using the Adafruit PropMaker Feather , has no network and talks to other puzzles over RS485. Both share one engine: a puzzle state machine, audio, a pin contract per board, and a hardware abstraction layer that scans the I2C bus at boot.

## Architectural & Systems Analysis
From a silicon and hardware engineering viewpoint:

- **Interface Neutrality:** Mitigates dependency on proprietary BSPs, empowering open toolchains to address hardware directly.
- **Supply Chain Verification:** Schematics and open pinouts allow deterministic audits against silicon errata.
- **Lifecycle Decoupling:** Decouples physical hardware utility from commercial vendor end-of-life obsolescence.

## Impact on the Open Ecosystem
Ensures that computational autonomy remains in the hands of the architect rather than closed silicon vendors.