From your very first blinking LED to dazzling multi-color sequences, Arduino makes it easy to bring light to life. With just a board, a few LEDs, and some code, you can experiment with patterns, ...

このデモでは、サウンドセンサーを使用して音の強度を示す方法を紹介します。音の強度を示すために、LEDバーが必要です。 サウンドセンサーの出力はアナログ信号です。これをSeeeduinoのA0 ...

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 ...

The cheaper board won ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

Some events you attend, and some events you feel the moment you walk through the doors. The Rand Show 2026 was the latter, ...

LG Electronics has announced its 2026 QNED evo Mini LED TV lineup, and the headline is clear. Bigger screens are the focus this year, led by a new 115-inch model aimed at people who want a cinema-like ...

How LEGO embedded sensing, audio, lighting, and wireless technology into a standard 2 × 4 brick without breaking compatibility with existing sets. Why screen-free interaction and position awareness ...

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...

It’s the evening before publication, and a pair of Hackaday writers convene to record the week’s podcast. This week Elliot Williams is joined by Jenny List, and it’s a bumper ...