Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

The Fnirsi DPOS350P dual-channel oscilloscope, 50-MHz function generator, a frequency analyzer (Bode plotter), and a spectrum ...

Embedded systems demand safe, reliable code and explores how Ada, SPARK, and Rust are shaping the future of memory-safe ...

A surprising inductive eddy current couping of electrical signals into vibration of mechanical resonantors are explored. As an educational fun project an aluminum rod from a hardware store was ...

Watch how Max Imagination builds drones, robots, and more from scratch, and learn the tools and techniques he uses for his DIY projects!

The open-source PCB design program KiCad has a great feature: you can view created circuit boards in 3D. For online documentation, I didn’t want to miss out on this neat feature, so I wrote a small ...

Elektor published a matchbox radio project that pushed the limits of miniaturization. It was a compact, fully functional AM ...

Meet the ESP-FLY, a micro quadcopter built around an ESP32 board, a custom PCB, and lightweight 3D-printed or DIY PVC frame. The perfect weekend project to build purely for fun and geared for the ...

I needed a basic Limiter for podcasting purposes after a fairly cheap commercial unit had failed. Rather than buy another, I decided to try to develop my own.

Experience real-time voice output from your ESP32 using Google TTS and a simple I2S audio amp. Speak instructions, time, alerts, or sensor data—no display needed! Overcome MCU limits with clever code ...