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, ...

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

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 ...

Q. Is it safe to use an RF skin tightening device when you have a pacemaker/defibrillator? I was going to get one but see it is recommended to not use one around metal implants and devices. —M.M., ...

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 ...

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, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Kathryn Rath Water-leak sensors, which keep you in the loop if your plumbing ...

The “Neuron” sensors—made by Norway’s Heimdall Power—collect live data on temperature, current, sag, wind, and weather, helping operators safely push more power through existing lines. The project, ...

Arduino library for the ENS16x digital four channel MOX gas sensors with I2C/SPI interface from ScioSense. ENS16x is a range of digital multi-gas metal oxide (MOX) sensors, specifically designed for ...

Abstract: Drunk driving remains a significant issue worldwide, with thousands of lives lost every year due to accidents caused by individuals operating vehicles under the influence of alcohol. The ...

Abstract: Radar technology has been a cornerstone of numerous applications, from aviation to meteorology, offering invaluable capabilities for object detection and tracking. Traditional radar systems, ...