Switch Mode Battery Eliminator with PIC16C72A


Posted on Aug 7, 2012

The system makes use of the A/D to read the input and output voltages, the Capture/Compare/Pulse module to generate a PWM output, and Timer2 to regulate how fast the program runs. External hardware includes a switching power converter and a suitable output filter. Six LEDs on PORTB indicate the output voltage as set by two push buttons on PORTA.



In-Circuit Serial Programming¾ (ICSP) support has also been provided. LEDs D7 and D8 share clock and data lines required for ICSP. These LEDs indicate error conditions and are optional. Analog-to-Digital Converter Module The A/D converts an inp




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