Arduino UNO Q Bundle pairs the 2 GB dual-brain board with a new Elektor book for AI, Linux, Zephyr, and real-time projects.

It's a solved problem, but I actually prefer a simple web UI.

Bring your postwar Lionel trains into the modern era with DIY Bluetooth control using Arduino. A fun and powerful upgrade for your layout. #Arduino #LionelTrains #DIY ...

It’s a common ritual: whipping out those calipers or similar measuring devices to measure part of a physical object that ...

The Bluetooth connectivity of the Amazon Echo Dot opens up a surprising number of opportunities to use it with plenty of ...

When using an external speaker or using a headphone, at the time, it gets annoying because they don’t work. It worked before, but it’s not working the next day. In this post, I will show what you can ...

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 ...

Back in 2017, Hackaday featured an audio reactive LED strip project from [Scott Lawson], that has over the years become an ...

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 ...

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 ...