![]() ![]() A simple program of speed control without the use of potentiometer. (Sketch 04) _23_arduSerie_ArduTachoMeterV2_IV.ino Instead of reading in the serial terminal insert the 16X2 lcd in the circuit and sends the reading to the screen onward!!! (Sketch 02) _23_arduSerie_ArduTachoMeterV2_II.ino Start code: read the speed of an independent motor running outside circuit on the serial terminal (Sketch 01) _23_arduSerie_ArduTachoMeterV2_I.ino To get to the final code we walk a path marked by the Sketches published on my github (look for _23_PID directory as this is episode #arduSerie 23:) from 1 to 7. ![]() This time the input is the RPM speed of the exhaust fan and the output is the replacement of the middle pin of the potentiometer. In a simple way, the errors are calculated and the correction is delivered to the system actuator.
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