Simple Earth Fault Indicator Circuit is like safety guard for electric system. It checks if electric connects to ground by mistake, like when bad wire touch metal box. This is very important because if there is an electric leak the machine may break and cause a fire or may shock people. Circuit watch how much […]
Indicator Circuits
Mains AC Transients Indicator Circuit
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 […]
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. 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 blinking […]
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? This Coffee Temperature Indicator Circuit show how to make small circuit and which tells how hot coffee is! 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 coffee always […]
Heads or Tails Decision Maker Circuit
This easy Heads or Tails Decision Maker Circuit show how to make fun coin flipper using electric. Like when we flip real coin but here we press a button and small chip inside do fast thinking and then say “heads” or “tails” very quickly It uses logic parts and small electric pieces to give random […]