Leon Latsch

OpenSource Software and Hardware with Passion

Leon Latsch

Software Developer/Hamburg, Germany

I build native mobile apps, self-hosted tools and the occasional piece of hardware. All of it open source.

Based in Hamburg, DE
Focus Native mobile apps
Also Self-hosting & hardware
Leon Latsch profile picture
01 / About

Mobile apps and smart home. Open source first.

I build native mobile apps, self-hosted smart home tools, and the occasional piece of custom hardware. I’m also interested in open source and well-designed software.

02 / Projects

Things I build.

Apps, hardware and self-hosted tools I designed and shipped.

ESP32 intercom PCB
Hardware PCB · ESP32

IntercomESP32 extension

A ESP32 based PCB designed to control a Siedle HT611-01 intercom system. It allows features like remote door opening, doorbell notification, and muting.

pc2mqtt controls in Home Assistant
Smart Home Linux · Windows

pc2mqttPC control via MQTT

Control your PC or homeserver via MQTT (e.g. Home Assistant). Exposes power sensor, shutdown button, and reboot button.

Self-Hosting Go · Docker

go-resolveDynDNS updater

DynDNS without DynDNS. Keeps your DNS records pointed at your home IP via GoDaddy, Hetzner or any update URL. Runs as a Docker container.

03 / More

Smaller tools & experiments.

Self-hosting scripts and the projects I learned on. Click a row for details.

2019Self-Hosting GoDaddy DynDNS Python based GoDaddy DynDNS script using only the GoDaddy API. Python
Details

A lightweight Python DynDNS updater for GoDaddy DNS records, using only the official GoDaddy API.

2019Learning SCrypt lite SCrypt lite is the terminal equivalent to SCrypt. It encrypts and decrypts files with AES-256. CLI
Details

The terminal version of SCrypt for AES-256 file encryption and decryption.

2019Learning SCrypt SCrypt is a JavaFX Desktop Application to encrypt and decrypt files with AES-256. JavaFX
Details

A JavaFX desktop application for AES-256 file encryption and decryption.

2019Learning Kolibri Kolibri is a private Android messenger and its self-hosted server backend. Android + Server
Details

Kolibri consists of a private Android messenger and its self-hosted server backend.

04 / Connect

Say hello.

The best way to reach me is email. For code and releases, use GitHub.