Stun Gun Circuit using IC 555 is simple electric device. It make high voltage for non-lethal self defense. Before making it we must know the danger and law rules to follow. Circuit Working: Parts List: Category Description Quantity Resistors 33k, 1k 1/4 watt 1 each Capacitors Ceramic 10nF, 100nF 1 each PPC 10nF 400V 8 […]
Motor PWM Speed Controller Circuit using IC 555
No need to change voltage knob. This smart Motor PWM Speed Controller Circuit using IC 555 to control DC motor speed. It turn motor power ON and OFF very fast so motor gets average voltage and its speed changes. Like dimmer switch but for motor. Circuit Working: Parts List: Category Description Quantity Resistors 470Ω, 1k […]
Simple Light Dependent Screamer Circuit
Fun small and Simple Light Dependent Screamer Circuit make sound change with light. It uses LDR like a special resistor which changes with light. More light like sound gets louder or higher. It is called the light dependent screamer. Circuit Working: Parts List: Component Type Value Quantity Resistor 1k 1/4 watt 1 Light Dependent Resistor […]
Simple Ticking Bomb Simulator Circuit
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 […]