Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list.

Easy to use The Arduino micro controller can be easily removed from the robot, and it is placed on the prototyping board so that you can program to your heart's content.

While newer Arduinos and Arduino compatibles (including the Hackaday.io Trinket Pro. Superliminal Advertising!) either have a chip capable of USB or rely on a V-USB implementation, the old fogies o… ...

That resulting signal is a square wave, which is an easy target for the Arduino to measure. That timing measured from the square wave can then be used to calculate the inductor’s value.

Raspberry Pi and Arduino are amazing on their own, but intimidating to learn. These nine coding and robotics courses help you get the most from them for $59.97, $363 off the $423 MSRP, now through ...

AMD's new Ryzen Threadripper 9995WX CPU overclocked to 4.9GHz on all cores using a BMW M4 car radiator, and a Toyota Highlander radiator fan.

The Arduino uses latitude and longitude to help decide when to click on the lights, so it's incredibly accurate. Otherwise, the build just includes an on/off switch, a Tiny RTC, a time adjustment ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...