potentiometer instead of rotary encoder

Question

Hello,

I have an project where i don't wanna use a rotary encoder because it has "unlimited" range of motion.

So i thought about using a potentiometer and somehow convert the analog input to digital pulse -what I mean: I need the range of pot to mean 170 pulses (if you would have a 170 ohm pot then 1ohm will be one pulse on the output)-if you're increasing the resistance it will pulse one pin and if you'll decrease it will pulse another pin-also it'll be awesome if you can change the "pulse range" with a dip switch (maybe something like 150-170-190).

I'm not programmer so I would be thankful for help.

Thanks,

Tomas Vostradovsky

fvan · Answer

Why not try the following: * take a 10k pot * use analogRead on the Arduino to read the value * divide the measured value by 6 (1024 / 170), giving you your pulse value Something like that ? int potentiometer_pin = A0;
int potentiometer_value = 0;
int pulse_value = 0;

void setup() {
}

void loop() {
 potentiometer_value = analogRead(potentiometer_pin);
 pulse_value = potentiometer_value / 6;
 
 delay(10);
}

beacon_dave · Answer

Ok, go here and watch tutorials 1 to 4: Jeremy Blum Arduino Tutorials and you will no longer be a 'total noob' Tutorial 4 shows you how to check the current analogue value and do something with it, but it sounds like you will be better of starting at the beginning.

beacon_dave · Answer

Perhaps take a look at this tutorial: https://www.arduino.cc/en/Tutorial/AnalogInOutSerial Connect the potentiometer wiper to the analogue input and then use the map() function to scale the range from 0-1023 down to 0-170 You can then use code to check whether the current input value from the pot is greater or less than the previous measured value and generate your pulses.

kulky64 · Answer

Maybe something like this: Not a proper way to do it, but it should work.

potentiometer instead of rotary encoder

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