Blog July 2026

All posts from July 2026.

EmbeddedSmart HomeDIY# web-bluetooth# BLE# PWA# svelte# typescript# hoermann# bluesecur# garage-door# webcrypto

Hoermoles BlueObscure – My Garage Door in a Browser Tab

The sequel to the reverse-engineering dig – porting the Hörmann BlueSecur protocol to Web Bluetooth and shipping an installable, offline, no-app-store PWA that opens my burrow from a browser tab.

2026-07-24

EmbeddedSmart HomeDIY# bluetooth# BLE# reverse-engineering# hoermann# bluesecur# garage-door# python# home-assistant# bleak

Hoermoles BlueObscure – Digging a Second Tunnel Into My Own Garage

How I reverse-engineered the Hörmann BlueSecur BLE protocol out of a .NET MAUI app and ended up opening my garage door from a laptop terminal.

2026-07-23