Think like anyone have one small device to check its home electricity going up and down. This Mains AC Transients Indicator Circuit is same like that but only for sudden high voltage. These high voltage come from lightning and big machine turning ON or power change. This circuit have one sensor who is always checking […]
Indicator Circuits
Blown Fuse Indicator Circuit with Flashing LED
No more squint eyes at fuse! This small smart circuit for Blown Fuse Indicator Circuit with Flashing LED got one blinking LED like little spy for the electronics and when all seems good an LED will stay bright. But if fuse go bad maybe too much power or something weird then the LED will start […]
Simple Flashing Beacon Light Circuit
This guide shows how to build a Simple Flashing Beacon Light Circuit which does requires few parts like: Timer tells the light when to turn ON and OFF quickly, so it looks like blinking; also, people use this circuit for decoration, warning light or just for fun. Circuit Working: Parts List: Components Quantity Resistors 10k […]
Simple Low Battery Indicator Circuit using Two Transistors
This article for Simple Low Battery Indicator Circuit using Two Transistors tell how to make small circuit for battery device. When battery goes low it uses only few parts like two transistors to turn ON one LED light; so this way we can know when to change battery before device stop working. Circuit Diagram: Parts […]
Coffee Temperature Indicator Circuit
Ever burnt your tongue because of coffee too hot?; then this Coffee Temperature Indicator Circuit show how to make small circuit and which tells how hot coffee is! Here, it uses sensor to check temperature and then LED light up to say if coffee is good to drink or not; so now we can enjoy […]
Seven Segment Counter Circuit
Seven Segment Counter Circuit is one simple circuit.; which count numbers and show on seven segment display. Also, when we press button, number goes up by one and the circuit is very easy to make and good for learning how counting works in electronics. What is a Seven Segment Counter Circuit: Seven segment counter circuit […]




