HOW TO MAKE POWER INDICATOR IN PLUG SOCKET
✔A plug socket ✔100k resistor ✔1 LED ✔Some glue ✔Some wire ⚠ WARNING⚠ Be careful from 220v AC current
✔A plug socket ✔100k resistor ✔1 LED ✔Some glue ✔Some wire ⚠ WARNING⚠ Be careful from 220v AC current
Required materials 1N4007 diode 1 pc 100k resistor 1 pc 1 LED (any colour)
Required materials CD4017 555 timer 10 LEDs 680 ohm resistor (2pc) 1k ohm resistor 10k preset 0.47uf & 10uf caps ...
12v cpu fan Yellow wire is +12v Black wire is ground These wires come from SMPS
Worth Rs- 20-30/- (making cost) Required material discussed in video
ARNAB |