5V power supply with overvoltage protection.

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Over voltage has become a problem for countries like us so this is a best solution for that this releases 5v














Notes.

* If 1A Bridge is not available, make one using four 1N4007 diodes.
* The trip voltage can be varied by varying the values of D2 and R2.
* All capacitors must be rated at least 25V.
* The transformer T1 can be a 230 V AC primary, 12v secondary, 2A step-down transformer.
* Assemble the circuit on a general purpose PCB.