A well balanced power supply is completely necessary for the precise functioning of computers and TTL circuits. A voltage fluctuation of 10% is undoubtedly not bearable, it is therefore advisable […]
Small LED Weighing Scale Meter Circuit
In this post we will discuss how to build a small weighing scale machine for quickly measuring the weights of small objects or metals, through LED bar graph indications. Undoubtedly, […]
220 V LED Indicator Circuit
This LED circuit can be used to indicate the presence of 220 V mains AC supply, without using a transformer. The long life of LEDs make them extremely appropriate for […]
3 LED Running Light Circuit
In this post we learn how to make a running light or chasing light effect using only 3 LEDs, because 3 LEDs are the minimum number required for creating a […]
Designing Large LED Dispay Circuit
First of all, this project will not seem interesting to every reader. But, this has many possible applications. This is a seven segment display, with a diameter of 280x140mm. The […]
Universal LED Bar Graph Indicator Circuit
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 […]