measure voltage with pic16xxx chip.....

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refo

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i want measure ac line and compare with my adjustable under and over voltage if voltage is out of this margin it will waiting 1-20 second and i want use the pic

so, how can i connect three potentio to pic (one of them is timer two of them are for voltage level)??????

tnx to you....
 

refo said:
so, how can i connect three potentio to pic (one of them is timer two of them are for voltage level)??????
Click to expand...

Hi,

Read one at a time . Use three analog inputs, read first channel, then second, then third, and so on... U can use interrupts or polling... I recomand interrupts

Cheers !
 

Re: measure ac line voltage and compare with 16f876

how can i connect the three pot the pic( time,over and under voltage potention meter) ,if you send me a sample circuit i will be grateful.
thnx....

pic is could be 16F876
 

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