The basic circuit illuminates up to ten LEDs in sequence, following the rhythm of music or speech picked-up by a small microphone. The expanded version can drive up to ten strips, formed by up to five ...

In our previous tutorial Getting Started with the RASPBERRY PI ZERO, we had an overview Raspberry Pi zero W and setup the Pi Zero. In this tutorial we are going to design a simple LED circuit and ...

Due to the advantages like low voltages, long life, cheap, reliable, fast on-off switching etc, the LED’s are used in many applications. The various applications of LED are, All kinds of visual ...

In this short tutorial, we will show you how you can build yourself a transistor-driven color-changing RGB LED lights. The building process is simple and requires only a few transistors, capacitors ...

Construct the circuit as shown in the circuit diagram. For making the LED Chaser you require 555 Timer & 4017 Counter. The 555 Timer is used to produce the clock pluse for the 4017. The 4017 is ...

High-brightness LEDs, with independent delay and duration, find use in a visual-inspection application. This circuit is not complex, but it saved the day in an application involving visual inspection ...

In this project we are demonstrating how 5 I/O pins of the mighty AtTiny85 microcontroller can be used to control 20 LEDs - one by one! The method we will be using here is called charlieplexing. The ...

An LED dimmer circuit adjusts the brightness of LED strips, serving both as an energy-saving tool and a method to create aesthetic lighting. Call bells, designed to draw attention, are commonly used ...