To begin with, a Simple 1 Hz Pulse Frequency Generator Circuit creates one pulse every second and engineers widely use this circuit in clocks, timers and signal generation applications. Circuit Working: Parts List: Components Values Quantity Resistors 10k 1/4 watt 1 220Ω 1/4 watt 1 Preset 100k 1 Capacitors Ceramic 10nF 1 Electrolytic 10µF 25V […]
Oscillator Circuits
Simple Fatigue Testing Circuit
This small and simple Fatigue Testing Circuit is a fun way to check whether someone feels tired or not! it makes LED blink very fast and we can change how fast it blink. Also, if we are not tired, we can still see the LED blink even when it flashes fast; however, if we are […]
Simple Audio Frequency Signal Generator Circuit
Have anyone ever thought that how electronic makes sound? Audio frequency signal generator it like small sound maker, it make electric signal what ear can hear from low boom (20Hz) to very high squeaky (20kHz). Also, this Simple Audio Frequency Signal Generator Circuit very helpful for many thing: Circuit Working: Parts List: Components Quantity Resistors […]
Electronic Muscle Stimulation Circuit
EMS circuit… it like machine using electric stimulator to make muscle go move; also it have many small electronic thing like time keeper, signal maker, power booster and sticky pad. Furthermore, this Electronic Muscle Stimulation Circuit send little shock, not hurt but through sticky pad on skin on top muscle; hence, this small shock like […]
Simple Siren Circuit
To begin with, this Simple Siren Circuit article show how to make circuit sound like real siren! here, the sound goes up and down fast like police car or ambulance siren. Also, building this type of circuit is fun, but remember that people use sirens during emergencies. Circuit Working: Parts List: Components Values Quantity Resistors […]
Simple Christmas Fairy Flashing LED Lights Circuit
With this easy guide for Simple Christmas Fairy Flashing LED Lights Circuit we are ready to jingle all way! Also, this circuit makes fun and happy pattern with blinking LED lights which look like small Christmas bulbs and also to make lights look more special we can put them in line or shape and use […]