If you like decorating your house for the holidays, these digital LEDs save the trouble of manual teardowns by using Arduino to modify animation effects each season. Instructables user CarlS ...

First, upload the following PWM sketch to your Arduino Uno r3/Nano v3 and connect a 10mm water-clear green LED to D9. const int ledPin = 9; // Test LED wire to D9 void setup() { // Set the pin as a ...

The 1K resistors are used for base current limiting, and the 390R resistors limits the operating current of the LED display segments. In the Arduino board, digital outputs from D2 to D8 are used to ...

Instead of the relative horror of driving 40 LEDs with a single Arduino, [Martyn] bit the bullet and got a Maxim 7221 LED driver. Controlling 64 LEDs over a three-wire interface simplified the ...

[Jose’s] latest project brings an old visual effect toy up to date with digital electronics ... by a kaleidoscope using an Arduino and an addressable LED strip. The build is actually pretty ...

Do this before you sew anything onto your sweater just to make sure the LED string will correctly fit the pattern you drew. Start with the end of the string so the Arduino ends up at the bottom of ...

Once the model was completed, it was only a matter of applying the appropriate code to the arduino for control over the LED lights. He found a code on Adafruit that accommodated the snaking path ...

Adding to the ever growing list of Ardunio watches being created a new LED Arduino watch has been created that is powered by a supercapacitor. The watch has been featured over on the Hack A Day ...

The Ultimate Arduino Coding Power Course Bundle brings you everything you need to unleash your skills in the in-demand industry. Taught by various top-rated instructors who have years of ...