This special Automatic Parking Light Switch Circuit makes car parking lights turn ON by itself and it also helps to look outside to see how bright it is. Here, one light sensor is like LDR thing which check the light outside and if outside it become dark, more dark than set level then circuit turn […]
Hobby Circuits
Simple LED Voltmeter Circuit
This Simple LED Voltmeter Circuit works like a small battery checker with LED lights., unlike a phone battery bar, this circuit uses LEDs to show the remaining battery level in many small electronic devices. More LEDs turn ON when the battery has more charge and each LED turns ON at a different voltage level. The […]
Simple Power Strip Surge Protector Circuit
Simple Power Strip Surge Protector Circuit is like hero for our plugs, they help protect our devices from big shock of electricity called power surge or spike. Also, 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 […]
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; as 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 […]
Timer Circuit with Alarm using IC 4060
To begin with, this Timer Circuit with Alarm using IC 4060 works like a small stopwatch with a built-in buzzer; additionally, it uses a chip called IC 4060, which counts seconds like a small clock. We can set time how much we want and when the time finishes buzzer make sound to remind like a […]
Water Level Indicator Circuit with Digital Display
No need to check water with normal stick, because this Water Level Indicator Circuit with Digital Display use sensor to check water level. Then it show number from 0 to 9 on small screen, like mini calculator; so we can always see what level the water is in the tank. Hence, with this circuit, there […]