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Return to BlogResistor Value Recorder by PIC16F819 and DS1267
Posted Feb 03, 2012 at 2:05 pm
Figure 1
This circuit reads values of an external analog potentiometer, stores them and playbacks continuously by using DS1267 digital potentiometer.
The circuit is built around PIC16F817 microcontroller. It has three modes of operation; record, playback and setup.
You can set the buffer size after entering the setup mode.
When you toggle to the record mode, PIC starts reading external potentiometer values via its analog to digital converter (ADC) inputs. When the buffer size is exceeded, recording process returns to the begining and goes on till you release the record button.
The project can be used in wide variety of applications such as sound makers, LDR and op-amp applications etc.
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