220v home power digital counter

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hm_fa_da

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hi all ;

i want to make a digital usage counter for home , now i need some information on how to convert AC current to a variable voltage and change it to digital and ... ,
any circuit of other counters can help me ,

thanks
 

hi

here is a complete energy metter for home, based on pic micro all info included pcb and pic asm file
 

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