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 ...

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

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

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

Odds are, if you like neon lights, you’re not thrilled with the LED faux-“neon” strips that are supposed to replace them. They’ve got their advantages, but the light quality of RGB LEDs lacks ...

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 ...

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 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 ...

Densitron is a global provider of industrial displays, HMI and tactile interface technologies for mission-critical ...

We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house. I'm PCMag's managing editor for consumer ...