This post is about a Simple Ticking Bomb Simulator Circuit, which make ticking sound like real bomb in movie or game. Also, this circuit is just for fun and with no real danger. Circuit Working: Parts List: Components Values Quantity Resistor 47k 1/4 watt 1 Capacitors Electrolytic 10μF 25V 2 Semiconductors IC 555 1 Speaker […]
Hobby Circuits
Simple Metal Detector Circuit using IC 555
This is Simple Metal Detector Circuit using IC 555, uses IC 555 chip which works like small clock and makes signal to help find metal and magnet Also, it is easy to build and good for beginners. Circuit Working: Parts List: Components Values Quantity Resistor 47k 1/4 watt 1 Capacitors Electrolytic 10μF 25V 1 Electrolytic […]
Digital Dice Circuit
Digital Dice Circuit is small electronic like thing, which work like real dice and shows number from 1 to 6; it also uses lights and buttons which is no need to throw. As a result, this circuit is good for games and fun and is easy to build. Circuit Working: Parts List: Components Values Quantity […]
Clap Switch Circuit using IC 4017
The Clap Switch Circuit using IC 4017 turns ON and OFF with a clap sound; it uses a speaker as a microphone because both components have a similar construction; therefore, a speaker can also work as a microphone in this circuit. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt) 3.3k […]
Simple Mains Phase Detector Circuit using CMOS ICs
This article talks about two easy and Simple Mains Phase Detector Circuit using CMOS ICs like IC 4001 and IC 4060; also they find if mains AC 220V or 120V is present in air. There is no need to touch the mains, circuit uses antenna to feel mains power in air. Circuit Working (using IC […]
Simple IC 555 Oscillator Circuits
Simple IC 555 Oscillator Circuits is a 555 timer chip which is common and easy to use; also it is good for many projects. But for some circuits we must know how it works when not active. Two main pins: IC 555 Pinouts Here is a list that shows what each pin on the chip […]