~/bandrewk

senior QA engineer · frankfurt/de  · open to work

Python TypeScript C++ Docker Test Automation CI/CD 5G / Telecom Embedded Applied AI
github ↗ contact ↗
~/blog ~/projects ~/about ~/contact
# posts
2026-03-22
nexo-ta.com v4: A complete rebuild

I rebuilt nexo-ta.com from scratch — new tech stack, new UI, new features. Here's what changed and why.

#react#typescript#webdev#crypto
2026-03-08
Reverse Engineering Aftermarket BLE Tire Pressure Sensors for Tesla with Python

How I decoded a proprietary BLE tire pressure sensor protocol from scratch, with no docs, no SDK, just raw hex bytes, a Python script, and a drive on the Autobahn.

#ble#reverse-engineering#python#automotive#tpms
2026-01-15
GL.iNet GL-X3000: lower the fan start temperature via SSH

Web UI caps the threshold at 70°C. Router idles at 65°C. Here's how to override the fan config over SSH when you suspect heat is causing random restarts.

#networking#openwrt#ssh
2025-11-08
Fixing a Xbox One original failing to update, console disabled

Recovery guide for a launch-model Xbox One bricked by a factory reset — stuck in an update loop with E100/E101 errors and no viable update path.

#xbox#troubleshooting#firmware
2025-06-26
GL.iNet GL-X3000: using a microSD card as swap

Adding 7.5 GB of swap via microSD to solve Out of Memory crashes when running AdGuard Home with large blocklists.

#networking#openwrt#ssh
2020-04-04
Auerswald COMpact 5020 VoIP: switching from ISDN to VoIP

Converting an Auerswald COMpact 5020 telephone system from ISDN to VoIP, expanding from 2 to 8 channels.

#telecommunication#voip#networking
2020-04-04
Connecting a SoundStation IP 5000 to a FritzBox

How to configure a Polycom SoundStation IP 5000 to work with a FritzBox router as a SIP phone.

#telecommunication#voip#fritzbox
2020-04-04
SoundStation IP 5000 webinterface login

Default login credentials for the Polycom SoundStation IP 5000 web interface — nowhere documented, easy to miss.

#telecommunication#voip
# pinned
pin
truffels v0.3.0

A self-hosted Bitcoin infrastructure appliance for Raspberry Pi 5. Docker-managed, web-controlled, built for stability.

GitHub ↗
# tags
#networking 3 #telecommunication 3 #voip 3 #openwrt 2 #ssh 2 #automotive 1 #ble 1 #crypto 1 #firmware 1 #fritzbox 1 #python 1 #react 1 #reverse-engineering 1 #tpms 1 #troubleshooting 1 #typescript 1 #webdev 1 #xbox 1
$ bandrewk.net  ·  built with Hugo  ·  github ↗