simple ups schematic with pic16F676

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pnjbtr

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simple ups schematic diagram based on pic 16f676.
how can we change squre wave from 16f676 oscillator into sine wave or quasi sine wave.
 

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  • pic16F676 based ups schematic 001.jpg
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nice, very simple design, i thing the charger is of normal type (no charging current regulation/overload short circuit protection) )
from the circuit assumes pin 6 and 9 are pwm outputs, search internet there is a design with 89C2051 for sine wave design, try that method
 
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