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.

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

Mastering the nuances of modern ac-dc power supply selection ...

M5Stack CoreS3 Lite is a cost-optimized ESP32-S3-based IoT Vision AI controller providing a cheaper version of the CoreS3 ...

The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.

NXP’s MCX L dual-core microcontroller leverages Adaptive Dynamic Voltage Control to enhance low-power operation.

It’s a simple oscillator circuit tailored to create a magnetic field around a water pipe to perform water conditioning.

We'll break down the major differences between all of them, as there's a lot to know if you're looking to invest in one of these to ensure you make the right choice. What is an ESP32? What ...

Radio World readers may know Marty Acuff from his time at Orban/CRL Labs or from his many yers working on the iconic Sutro ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...