Linux

An attempt to read a Platinum 3100S solar inverter directly over its proprietary RS485 protocol with an ESP32. It has not cracked yet, so the full dataset is published for anyone who wants a go.

An encrypted offsite backup on a Raspberry Pi at a relative’s house, reached over Tailscale, whose LUKS key never leaves home. Covers the threat model, the boot unlock and a dead-man’s …

Keeping Claude Code’s settings, skills and project context in sync between a desktop and a laptop with a Synology NAS, symlinks and Syncthing, plus split changelogs.

Seven screens across three computers on one desk, controlled with a single keyboard and mouse through InputLeap. The layout, a custom monitor stand and the cable management.

How labelling my parts storage grew from round Herma stickers to a Dymo LabelWriter driven by a LibreOffice spreadsheet and macro, including a long fight with label orientation.

The backup system for my homelab server, triggered by a failing disk: Borg with encrypted repositories, a local disk, a NAS mirror and an offsite Raspberry Pi, with retention and alerts.

Setting up an openHAB development environment on Ubuntu 14.04: the Git clone, Java, the Yoxos installer, Maven and a test build.

A doorbell built on a Raspberry Pi with a camera that e-mails a photo of whoever rings. Power supply, button wiring, the Python script and mounting.

Installing vscp_software on a Raspberry Pi, every command with its output, from package updates and dependencies to building the software.

My notes for setting up a Raspberry Pi B+ as a VSCP daemon server and doorbell: static IP, hostname, NAS share, Samba and VNC.

Getting the USB2CAN interface running with VSCP on Ubuntu: the driver, the VSCP daemon and testing the bus with VSCP Works.