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5 ADC & 1 PWM Inteface Board

INTERFACE BRDS > ADC &DAC



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Introduction

This Board will eliminate control signals and even microcontroller and its very easy to use to convert any Analog to Digital output , with standard control inputs , its based on pic 16f72 ,This board is having 5 ADC channels , 1 PWM output , Using PWM its very easy to control speed of DC motor


There are 3 Modes in this board
1.Analog to Digital Conversion
2.Analog to PWM output
3.Digital to PWM Output



HOW TO USE


  • Power ON with +5V & GND.


ANALOG INPUT DIGITAL OUTPUT:

  • Select the control bits for the respective analog channel required as in the table.
  • Get 8-bit digital output from B0-B7 pins.


For example:

  • I had given 5-analog inputs. Now I have get the output of A3 channel.
  • Select control bits as C5=0, C6=1, C7=1.
  • So Analog Data given to A3 channel is converted to Digital output (B0-B7)


ANALOG INPUT PWM OUTPUT:

  • Select control bits as C5=1, C6=0, C7=1.
  • Give the analog inputs AN0 pin.
  • Get output from PWM output pin.



DIGITAL INPUT PWM OUTPUT:

  • Select control bits as C5=1, C6=1, C7=0.
  • Give the 8-bit digital inputs to B0-B7 pins
  • Get output from PWM output pin.



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