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 LED Voltmeter Circuit
This Simple LED Voltmeter Circuit is like small battery checker but with cool lights. Not like phone bar this one is used in many tiny lights like LEDs to show how much battery is still there. More lights turn ON when battery is more full and each light become ON at different voltage. It also […]
Simple Power Strip Surge Protector Circuit
Simple Power Strip Surge Protector Circuit is like hero for our plugs. It help protect our devices from big shock of electricity called power surge or spike. This surge can come when storm happen or when other machine turn ON or OFF. Inside power strip a special part called MOV take this extra electricity and […]
Simple Water Level Indicator Circuit using IC ULN2004
This Simple Water Level Indicator Circuit using IC ULN2004 work like small helpers for our water tank. It uses one special chip named as ULN2004 to control many things together. This chip can work with big electricity but here it only control lights. The lights show how much water is inside the tank. So with […]
Simple 220V Time Delay Switch Circuit with Triac
Think this circuit is like a smart switch for our home things which wait for some time before power comes. This Simple 220V Time Delay Switch Circuit with Triac work like power button but it does not gives power fast. It waits for little time and then gives power to light, fan or motor. We […]
Timer Circuit with Alarm using IC 4060
This Timer Circuit with Alarm using IC 4060 like small stopwatch which is having buzzer inside. It uses one chip named as IC 4060 and this chip count seconds like small clock. We can set time how much we want. When the time finishes buzzer make sound to remind like a kitchen timer. This circuit […]