PIC18F4431 based PID with Graphic LCD.

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Uploaded by on Jan 26, 2009

PID closed loop position control of DC motor interfaced to a graphic LCD. The software tries to maintain and bring the motor position to a set value, while the graphic LCD shows the performance of PID (Oscillation) in graphical format.

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Science & Technology

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  • Great work, It would be helpful if you post the schematics online. Can you drive the H-bridge with a DAC generated analog voltage rather than PWM? Doesn't the H-bridge change the feed forward transfer function.

  • Nice work

  • Y there is too much oscillations?? Any wayz graph LCD is kool

  • Hello, may i know what's the Graphic LCD that you're using and where you bought it? :)

  • what we'll see here.. "hoonk hoonk hoonk' lol :D

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