New articles
Nov 14, 2025, 6:03 PM
Following the theoretical foundations of LoRa radio technology, this article presents its practical implementation. After an overview of the most important LoRa chips from Semtech, I introduce a driver for the SX1262 and a practical tool for conducting initial LoRa experiments.
Nov 12, 2025, 8:26 PM
This article explains the technological foundations of LoRa radio technology. The functionality of Chirp Spread Spectrum (CSS) modulation is described in detail. It highlights how the parameters Spreading Factor (SF) and Bandwidth (BW) control the transmission.
Oct 30, 2025, 9:41 AM
Elecrow has revised the CrowPanel Advance 7.0 display, addressing the biggest criticism of the first version: The backlight can now be controlled via PWM. This article shows the technical changes and demonstrates how to control it using ESP-IDF and LVGL.
Aug 30, 2025, 8:34 PM
An old Bodet BT 6.30 flip clock gets a second chance! What started as a cheap find on a classifieds site turned out to be a real DIY adventure. A scratched front, a broken logo, and charred components on the inside. I'll show you how I not only visually restored this slave clock but also brought it into the 21st century with an ESP32.
Aug 14, 2025, 8:04 PM
A lightweight library for the ESP32 for dynamic configuration of Wi-Fi access data. Implements a web server & captive portal for user-friendly provisioning. This allows the SSID, password and time zone to be transferred to the ESP32 without a special app.
Popular articles
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.
Jun 16, 2023, 10:02 PM
The ESP32-S3 7 inch display from Sunton is one of the few boards that combines a modern microcontroller with a comparatively large display. I will show you how to get it up and running with just a few steps.
Nov 13, 2022, 10:51 AM
This article shows how to install a Logitech Media Server on a Raspberry Pi 4. Follow the steps in this guide to set up your own Squeezebox server and enjoy a smooth streaming experience.
May 16, 2022, 8:21 PM
How can a headless device be connected to a WLAN network? One possibility is SmartConfig, which makes provisioning very easy via smartphone. With this library for the ESP32, you only need a few lines of code to connect the device to the network.
Apr 19, 2022, 8:31 PM
The TMC2208 stepper motor driver from Trinamic is considered the reference as far as noise is concerned. Therefore I have developed a component for the ESP32, with which the TMC2208 can be controlled very easily via the UART interface.