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 ...

An Arduino library for 7-segment display modules based on the TM1637 chip, such as Seeed Studio's Grove 4 digit display. The TM1637 chip also has keyboard input capability, but it's not implemented in ...

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.

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 ...

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 ...

Abstract: White LED offers advantageous properties such as high brightness, reliability, lower power consumption and long lifetime. White LEDs are expected to serve in the next generation of lamps. An ...

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 ...