Animate multiple 24 VDC LED garlands with flashing and variable brightness (13 different parameters) with one Arduino Nano multi-tasking with FreeRTOS.

LED pushbutton code is a program written for the Arduino UNO microcontroller that controls an LED using a pushbutton. When the pushbutton is pressed, the code reads the state of the button and turns ...

The photosensor is a simple cadmium sulfide cell, which measures the intensity of light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals.

A 3-D LED LED cube game that will be able to astound you with the combinations it is capable of. Inexpensive and easy to make, thanks to an Arduino.

Now as per the code i have written that when the object is at 25cm away from the sensor, glow the 7th LED . Than as the distance decreases the another LED's starts glowing as per the code.