This post is about a Simple Ticking Bomb Simulator Circuit. It make ticking sound like real bomb in movie or game. This circuit is just for fun and with no real danger. Circuit Working: Parts List: Component Type Value Quantity Resistor 47k 1/4 watt 1 Capacitors Electrolytic 10μF 25V 2 Semiconductors IC 555 1 Speaker […]
Simple Metal Detector Circuit using IC 555
This is Simple Metal Detector Circuit using IC 555 It uses IC 555 chip which works like small clock and makes signal to help find metal and magnet It is easy to build and good for beginners. Circuit Working: Parts List: Component Type Value Quantity Resistor (1/4 watt) 47k 1 Capacitors Electrolytic 10μF 25V 1 […]
Simple Toy Organ Circuit using IC 555
This is small and Simple Toy Organ Circuit using IC 555. It make sound like music when we press a switch. We used IC 555 in astable mode. When press the different switch it give different sound. This circuit is easy to make and good for beginner. With no need of many parts it is […]
Digital Dice Circuit
Digital Dice Circuit is small electronic like thing. It work like real dice and shows number from 1 to 6. It uses lights and buttons which is no need to throw. This circuit is good for games and fun. Circuit Working: Parts List: Component Type Value Quantity Resistors (All resistors are 1/4 watt) 1k 2 […]
Low Battery Indicator with Buzzer Circuit
This for Low Battery Indicator with Buzzer Circuit is very simple and uses basic idea and few parts. Buzzer make sound when battery is low and warn us. It help us to know when to change the battery so device do not stop suddenly. Circuit Working: Parts List: Component Type Value Quantity Resistors (All resistors […]
Clap Switch Circuit using IC 4017
Clap Switch Circuit using IC 4017 turns on ON or OFF with a clap sound. It uses speaker as microphone. Speaker and microphone are built same way so speaker can work like microphone in this circuit. Circuit Working: Parts List: Component Type Value Quantity Resistors (All resistors are 1/4 watt) 3.3k 1 470k 1 470Ω […]