Tone Controller Circuit using IC TL072 Op-amp changes treble and bass sound, as it makes sound better and let us control treble and bass. Also, parts connect in order to cut or boost some sound frequencies. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) 1k 2 100k 2 […]
Hobby Circuits
Automatic Staircase Light Circuit
Automatic Staircase Light Circuit turn ON light when someone uses stairs and after some time it turn OFF by itself automatically; also it help keep home safe and saves electricity. Circuit Introduction: Regular stair lights: We turn the system ON and OFF manually using switches at the top and bottom; however, sometimes people forget to […]
How to Build a Mini Tesla Coil Circuit
In this post for How to Build a Mini Tesla Coil Circuit these tesla coil make high voltage and low current. Furthermore, mini tesla coil is small version of big one and it can light small things or make tiny sparks and also it runs on 9V battery or other low power. Circuit Working: Parts […]
Motorcycle LED Turn Signal Indicator Circuit
In this post for Motorcycle LED Turn Signal Indicator Circuit the LED flashes with chasing effect, instead of old bulb type and IC 555 works like oscillator and gives flashing signal. Circuit Working: Parts List: Components Values Quantity Resistors 390Ω 1/4 watt 5 10k 1/4 watt 5 4.7k 1/4 watt 3 Capacitors Electrolytic 100μF 25V […]
Stop Dog Barking using IC 555 Circuit
Basic H-bridge PWM circuit uses IC 555 which helps to control dog barking and stop it, main part is ultrasonic tweeter. Furthermore, it work with two IC 555 and four driver transistors. Circuit Working: Parts List: Components Values Quantity Resistor 1k 1/4 watt 1 Potentiometer 100k 1 Capacitor Ceramic 1nF 1 Semiconductors IC 555 2 […]
Simple Machine Gun Sound Generator Circuit using IC 555
This project for Simple Machine Gun Sound Generator Circuit using IC 555 which makes circuit like machine gun sound, short and fast bursts. Here, 555 chip give quick electric pulses and controls the sound timing and this pulses turn into sound and make “rat-a-tat-tat” noise. If want loud sound? its easy! just add amplifier and […]