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Programmable power supply design using PIC16F877

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lithium

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hi all,

i need to design this programmable power supply(AC to DC) using PIC16F877 to source high current. The current control is to be through a matrix keyboard(either a numeric keypad or up/down keys) interfaced to the PIC. Also a LCD interfaced with the PIC to display the voltage & current.
the specs are 230v 50hz input +-20% single phase. output <5v, current variable from 10A to 100A. high efficiency.

Any suggested reading or website to help me build this would be of great help.

thanx in advance

Lithium
 

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