While there is a time and place for wirelessly controlled devices, sometimes you want something you can just reach out and ...

When I wrote about a DIY ESP32-S3 internet radio last week, “raspbeguy” commented he’d rather choose an ESP32-based DIY DAB+ receiver kit, such as the one offered by the PE5PVB project based on a ...

1️⃣ Understanding Distance Measurement Using ultrasonic sensors like the HC-SR04, Arduino can calculate distance by measuring sound wave travel time — ideal for robotics and smart parking systems. 2️⃣ ...

Domninus Scepter is a versatile ESP32-based IR/Bluetooth remote control system designed to control infrared devices such as TVs, air conditioners (ACs), and speakers, with additional Bluetooth ...

It enables you to easily create MIDI controllers or instruments with very few lines of code. It supports digital inputs, like pushbuttons and switches, analog inputs, like faders, potentiometers, ...

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 ...

Custom cases for your DIY projects don’t necessarily have to be 3D-printed — they could also be machined out of metal such as aluminum, with a highly professional result. Even if you don’t have your ...

Samuel is a UK-based technology writer with a passion for all things DIY. Having started businesses in the fields of web development and 3D printing, along with working as a writer for many years, ...