One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...

Regular candles can be awfully boring at times. They can only produce one color and the flicker is so… predictable. They can’t even be controlled by an infrared remote control, not to mention the ...

I love to read through project suggestions and examples for the Arduino and other platforms. It keeps my mind constantly running with ideas for projects. I was recently provided a copy of ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

Arduino Micro has some extra leds that it is tricky to programme. Like almost all Arduinos, has a built-in led – the green one on the left in the photo. And it has a pair of yellow leds – called TX ...

[Credit: Djandco on Instructables] The Look of Disapproval (made using the unicode character for the letter “tha” in the Indian language of Kannada and an underscore) is possibly my favorite ...

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...

This article describes a rainbow flashlight I designed for a personal project. The intended application compels a multimode, multicolor, compact flashlight/tent light to be driven by a small built-in ...

The Arduino has long been a staple of the maker community. Longer than 3D printing has been as popular as it is, in fact. So, ...

There's no question that we're fans of the Arduino here at GeekDad; however, that doesn't mean we don't occasionally dabble with other micro-controllers. The Texas Instruments MSP430 Launchpad Kit is ...