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how to convert this circuit

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khatib

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this inverter use 8 bit micro controller(U296) ... how to use PIC 16F877A.. ?
where can i connect out put to do PWM ?

PLEASE SEE CIRCUIT AND GIVE ME A REPLY ....

THANKS FOR YOUR REPLIES
 

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It's another poor design, but its OUTH & OUTL. I thought you gave up on your UPS project. Really it's cheaper to buy than build.

PS you might get more responses if you used a more descriptive subject line.
 
ok .. i want to know how to connect the pic to do pwm ... only ... which pin will be used??
thanks
 
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Well you need an inverter. Why not take the time to understand the circuits you're trying to modify. Building a UPS is not easy and expensive. Just building an inverter with more than a few watts is tricky.
 
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