+/-9V Dual Power Supply from 3V

No need to provide multiple power source to a circuit when you can boost and invert…

Colpitts Oscillator Circuit

Many electronic circuits and microprocessor or microcontroller require a source of signal with specific frequency and…

Hartley oscillator Circuit

As we know many electronic circuits and microcontrollers require a source of signal with specific frequency…

RC phase shift Oscillator Circuit

We know the Oscillator is a electronic circuit which produce sinusoidal or non sinusoidal wave with…

CD4511 7-Segment Decoder Circuit

Seven Segment display widely used to project numbers in many applications and here is the simple…

Door Open Alarm Circuit using Hall effect Sensor

For Random application Simple Door Open Alarm circuit using hall effect sensor designed with timer IC…

Simple Single Transistor Audio Amplifier Circuit

If you want to built simple audio amplifier without messy components then you can construct simple…

High Intensity LED Strobe Circuit

Strobe light device need to produce regular flashes of light and it can create stroboscopic effect.…

12V SLA Battery Charger Circuit

SLA (Sealed Lead Acid) Batteries are used in different types of applications like vehicles, inverter, ups…

Heat Sensor Circuit

Simple heat sensor circuit designed to give alert sound when the temperature reaches the desired threshold,…