Fun small and Simple Light Dependent Screamer Circuit make sound change with light; it uses LDR like a special resistor which changes with light. Furthermore, as the light intensity increases, the sound becomes louder or higher in pitch, therefore, we call this circuit a Light-Dependent Screamer. Circuit Working: Parts List: Components Values Quantity Resistor 1k […]
555 Timer Projects
Simple Ticking Bomb Simulator Circuit
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 […]
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 […]
Simple Toy Organ Circuit using IC 555
This is small and Simple Toy Organ Circuit using IC 555 make sound like music when we press a switch. We use an IC 555 in astable mode to generate sound and when the user presses different switches, the circuit produces different tones. Therefore, the circuit is simple to construct and serves as an excellent […]
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 […]
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 […]