Free Project Circuits

In olden days while we were using analog signal for communication, the jamming circuit was very easy just by producing the high frequency noise signals,

In this session we will see how to interface 16×2 LCD to PIC18F4550 microcontroller which is of family PIC18F. You can get information of 16×2

Christmas is known as the carnival of lights and every person decorates its house with multicolored lights which we normally purchase from the bazaar. Did

A power amplifier circuit using MOSFET has been designed to produce 100W output to drive a load of about 8 Ohms. The power amplifier circuit

Password Based Door Lock System using 8051 Microcontroller is a simple project where a secure password will act as a door unlocking system. Traditional lock

A very easy circuit of “variable power supply and charger” is being explained here. It is not only very much useful in the time of

CD4027 is a JK flip flop that is generally used for data storing. Two similar or equal JK flip flops are contained in the IC.

Now the charging of your mobiles has been made easy with the help of USB outlets present in the Laptop and PC. For the charging

During our journey through train and bus, we carry many important things and all the time we have fear that someone might lift our luggage.

In this project, I’ll show you the design and working of an 8 Channel Quiz Buzzer Circuit using Microcontroller (8051), which tells us which team