Author: Lennart Hennigs (https://www.lennarthennigs.de) Copyright (C) 2017-2026 Lennart Hennigs. Released under the MIT license. This library allows you read out ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

This is a record of how I, a mere commoner, suddenly decided to try designing a keyboard from scratch. I would be honored if this could serve as a catalyst for someone, somewhere, to fall into the ...

This is a two-part series where DI authors Damian and Phoenix Bonicatto explore the IQ signal representation and negative frequencies. Part 1 explains the commonly used SDR IQ signal representation ...

Touch screen head units are pretty much the norm these days. Many compromise with annoying on-screen volume controls or tiny buttons. If you find yourself with such a unit, you might like to hack in a ...

The monitoring of slopes’ dynamics is essential to ensure the safety of infrastructures exposed to landslide risk and to develop mitigation strategies. However, it is not always possible to perform ...

Last year, we featured the T-Keyboard-S3, a USB mechanical keyboard with ESP32-S3, and four mechanical keys each fitted with a 0.85-inch color display. The upgraded T-Keyboard-S3-Pro adds a rotary ...

The product we are reviewing today is the “MaTouch ESP32-S3 Rotary IPS Display with Touch 2.1” ST7701″ from Makerfabs which offers an alternative to the MaTouch_ESP32-S3 4-inch Display Demo Kit that ...

Considering it's been almost impossible to buy a Raspberry Pi for about a year because of supply chain shortages, it's remarkable how many people continue to create interesting and increasingly useful ...

Spin coaters offer an invaluable method of thin film fabrication. Various implementations, both proprietary and open-source exist, offering vacuum and gravity samples chucks. These implementations ...