The RGB LED-based Samsung R95H delivers the widest color range I’ve ever measured, but brightness, bloom, and off-angle ...

In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it uses rgb LEDs that are controlled by an Arduino-based microcontroller that ...

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

The Bee Write Back is a writerDeck that combines a 5.5 inch AMOLED display with a small mechanical keyboard, a battery, and a ...

Two former Apple Vision Pro developers made an AI wearable that only listens when you tap it. They hope to win where other AI ...

Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...

Minimal build, maximum payoff.

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, ...

This library allows you to make the ESP32 act as a Bluetooth Keyboard and control what it does. The BleKeyboard interface is almost identical to the Keyboard ...

Bluetooth technology is widely used for various purposes such as wireless audio streaming, hands-free calling, and file sharing. Among these, Bluetooth file transfer is one of the most common uses of ...