Mar 28, 2025, 11:55 AM
40 years ago, I soldered together the mc-68000 homebrew computer. After 35 years in the basement, I am now trying to get the computer running again. I don't know yet if I will be successful, but it's an exciting journey into the past.
Mar 25, 2025, 9:27 PM
A detailed look at the Elecrow CrowPanel Advance 7" HMI with ESP32-S3. This article analyzes the hardware features, the optional wireless modules, and shows how to get started with GUI development with ESP-IDF and LVGL, including important limitations.
Nov 30, 2024, 9:41 PM
Using an ESP32 and an L293D H-bridge driver, I modernized an old Bodet flip clock and restored it to working order. In this article, I'll show you the technical implementation step by step – a project for anyone who's passionate about electronics and retro clocks.
Nov 21, 2024, 3:42 PM
Using an ESP32 and an L293D H-bridge driver, I have put an old Siemens slave clock back into operation. In this article, I describe the technology and implementation step by step - a project for anyone interested in electronics and slave clocks.
Nov 5, 2024, 7:28 PM
While writing the articles about the ESP32 weather station, I came across a small problem that sounds quite simple at first, but turned out to be a bit more complicated than I thought. How do you take a screenshot of an LVGL screen running on an ESP32 microcontroller?
Aug 30, 2024, 9:12 AM
This article describes the development of my private web server over the last 20 years. Starting with an Acer laptop and a slow Internet connection, I now run my websites on a modern ASRock DeskMini X600.
Aug 5, 2024, 9:23 AM
The ESP32 weather station is now over a year old. So it's high time for an update. I have therefore spent the last few weeks developing a completely improved version of the weather station. I would like to present the changes to you in this article.
May 5, 2024, 1:27 PM
My new PC is a Minisforum UM690S. Despite its small size, it is very powerful. However, the small computer has one drawback: the two case fans are quite loud and run at full speed constantly. Therefore, I opted for a small modification to replace the case fans.
Apr 7, 2024, 12:37 AM
The FireBeetle 2 ESP32-C6 board from DFROBOT is very affordable and integrates not only the ESP32-C6 but also a charge controller for charging a lithium-ion battery and monitoring battery voltage. In this article, I'll show you how to build a cost-effective sensor for the weather station using this board.
Feb 28, 2024, 2:29 PM
This article illustrates the functionality of parallel LCDs, their integration with the ESP-IDF framework and the LVGL graphics library using the example of Makerfabs and Sunton Displays.