DC Voltage Power Supply Using The LM317

January 27, 2019 admin 0

DC Voltage Power Supply: Commonly we use a fixed voltage regulator when we have to fix voltage for any circuit. Many times we need a variable voltage power supply to control the voltages according to our choice and here we {Read More}

Police Style Strobe Light Circuit

Flashing Police Lights Circuit

December 24, 2018 admin 0

This Police Style Strobe Light Circuit using 555 timer ICs shows the familiar lights used on police cars. To achieve this Police Style Strobe Light effect, two groups of LEDs are used. Each group has four LEDs and they turn {Read More}

Motion Sensor Light Switch

December 15, 2018 admin 0

A motion sensor light switch is a great way of saving energy shortfall period.  A PIR sensor light switch will automatically detect when someone enters the room or any place where the motion sensor is set. Then, after a few minutes(adjusted {Read More}

5 LED chaser with transistors

5 LEDs Chaser Using Transistors

November 13, 2018 admin 0

This simple 5-channel LED chaser using transistors can be used in any application requiring LED light effects. This circuit is build by using npn transistors, capacitors and resistors. 5 LEDs are blinking as shown in this video gif . you {Read More}

flop flop with timer ic 555

Flip Flop using timer IC 555

November 11, 2018 admin 0

In this project i am going to show A very useful and beautiful flip flop circuit using timer ic 555. The circuit is able to blink 8 super bright blue and Reds LED’s. The circuit is build around a famous {Read More}

Flop Flop Using Transistor

Flip Flop circuit using Transistors

September 24, 2018 admin 0

This D Flip Flop circuit using Transistors is a classic commonly used flip flop circuit. This flasher circuit is very popular and it is usually the first circuit for building when starting electronic circuit. The circuit diagram is given below. {Read More}

Two Transistors FM Transmitter

Two transistor FM transmitter

June 12, 2018 admin 0

In previous post i have made one transistor FM Transmitter that is also very nice and easy to made. This is just another one,  two transistor FM transmitter. It has two stages. In first stage amplifying the audio signal, generating a {Read More}

Touch on circuit using bc547

How To Use Transistor As A Switch

October 11, 2017 admin 0

In this article, we have explained the Use Transistor As A Switch in different applications.  A transistor is a three-terminal semiconductor device that can be used for switching applications, amplification of weak signals, and quantities of thousands and millions of {Read More}