tchap followed by @tchap.me
The μLCD 32PT is a nice TFT display from the Australians at 4DSystems. I have found two in an old box - perfect for Recycling Thursday ! The legacy documentation is here (GFX flavour). So it's time to spin up a Windows VM and try to make something useful out of…
For less than 50€, you can get your hands on this tiny and easy to use sensor to monitor O₂ concentration up to 25%. https://www.seeedstudio.com/Grove-Oxygen-Sensor-ME2-O2-2-p-1541.html The problem is, the documentation is really crappy. After hours of searching and testing to find the actual working example…
I've recently worked on a quite important WebRTC project including live streams, recording, multiroom chat and broadcasting (more on that maybe in following articles), and in the process, I needed a proper STUN server (Session Traversal Utilities for NAT) to be able to ... well, traverse a NAT. A few options…
While developing for the IoT2040 from Siemens (see the product page), I was having difficulties with the I2C bus; specifically, some peripherals were slow to respond or somehow buggy and the bus was becoming unresponsive. On this device, the I2C bus is behind an extender, and it seems not very…
I recently got to dive into the embedded Linux build systems world while working on a project where I needed to create a distribution for an embedded device with limited resources. Amongst the different options, I had identified two major tools : Buildroot and Yocto (See this fantastic talk by Alexandre…