Recent news about agents going wild, escaping sandboxes and hacking systems on the internet made me wonder why everyone is going nuts about LLMs being such great hackers. My take: that's not the real point. The hacks we see happen because the hacked ... read more →

I recently started a new embedded project: building a demo CAN setup on a breadboard with different microcontrollers. I wanted to try something new, so I chose an ESP32-C6 alongside a Renesas RA4M1 (completely new to me). Both have good Rust support, ... read more →

After several frustrating attempts to get accurate and reliable outdoor temperature and humidity readings using off-the-shelf components, I decided to build my own solution. My goal was simple: a weather station that just works, without constant batt ... read more →

In embedded systems, managing thermal performance is often critical for maintaining reliability and efficiency. One common strategy involves controlling the speed of cooling fans based on real-time temperature readings. This post explores a Rust modu ... read more →

Building an mixed language code base, in my case C and rust can be hard sometimes, for example C does not have a proper module system and you have a lot of platform or even host specific dependencies. This issue was kind of solved for back end worklo ... read more →

TLDR: Check out the code: https://codeberg.org/madmo/contactd The Legal Challenge As a German citizen hosting content in Germany, I discovered my blog requires a proper imprint ("Impressum") with specific contact information. Without this, ... read more →

I'm a huge fan of Homeassistant and home automation in general. The whole ecosystem with offline capabilities and privacy works great. Having multiple devices flashed with the aftermarket ESPHome firmware I got curious how these devices communicate w ... read more →