This universal pointer or LED bar graph indicator circuit can be used with any kind of input sensor that delivers a exponentially varying voltage. This can be for example from […]
How to Calculate Current Limiting Resistors for LED
The post explains a simple way to calculate and implement current limiter resistor for an LED in a circuit in order to ensure that the LED never get damages due […]
Scrolling LED Clock Circuit
The scrolling LED clock detailed in this post produces a great timepiece by showcasing the numbers in a dot-matrix arrangement and scrolling the digits in a ticker-tape manner. Using this […]
How to Correctly Interface an LED With 8051 Microcontroller
All of us are quite acquainted with “Hello world!” basic program code in the primary stage of any programming language to understand some fundamental points. In the same way to […]
Simple LED Li-Fi Transmitter Receiver Circuit for Wireless Music Transmission
In this post we discuss about the making of a simple Li-Fi transmitter circuit for transferring music data from your cell phone to a loudspeaker system by using LED light […]
Simple 5 LED Music Level Indicator using a single IC
In this post we learn how to make a decorative LED music level indicator or music activated LED lights using a single IC and we also learn the main datasheet […]



