This small and Simple Rain Sound Effect Generator Circuit it like a rain sound maker in box. It uses electric parts to make sound and almost same like real rain drop. This soft sound are good for many things like background music or sleep timer or help us in dreaming. So next time if we […]
Oscillator Circuits
Simple IC 555 PWM Generator Circuit
Imagine our devices as a little translator! This Simple IC 555 PWM Generator Circuit work like that translator but for signal and electricity. It uses one special chip called as IC 555 to take message and make it like pulse signal. This pulse signal can help control things like light brightness or motor speed. Circuit […]
Simple 1 Hz Pulse Frequency Generator Circuit
A Simple 1 Hz Pulse Frequency Generator Circuit makes pulse every 1 second look like one pulse in one second. This circuit are used in many things like clock, timer and signal maker. Circuit Working: Parts List: Category Component Quantity Resistors 10k 1/4 watt 1 220Ω 1/4 watt 1 Preset 100k 1 Capacitors Ceramic 10nF […]
Simple Fatigue Testing Circuit
This small and Simple Fatigue Testing Circuit is fun way to check if anyone is tired or not! It make LED blink very fast. We can change how fast it blink. If anyone is not tired can see the light is still blinking even when it goes fast. But if anyone tired the LED blink […]
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). This Simple Audio Frequency Signal Generator Circuit very helpful for many thing: Circuit Working: Parts List: Component Quantity Resistors 1k […]
Electronic Muscle Stimulation Circuit
EMS circuit… it like machine using electric stimulator to make muscle go move. It have many small electronic thing like time keeper, signal maker, power booster and sticky pad. This Electronic Muscle Stimulation Circuit send little shock, not hurt but through sticky pad on skin on top muscle. This small shock like brain talk to […]