tachometer + arduino - tacometro + arduino

hola gente les muestro lo que me tuvo ocupado estos dias.
Quería retomar el tema tacometro y arduino. y un gran amigo me regalo un viejo y hermoso orlan rober. la electrónica estaba totalmente muerta... y la mecánica en muy mal estado. decidi probar con un motor pap bipolar de 200 pasos. epson e258. retomando un codigo que publique hace un tiempo.
aqui les subo un video resumen.. espero les guste gracias.

hello people I show them what I was busy these days.
I wanted to regain and tachometer arduino topic. and a great friend gave me a beautiful old Orlan Rober. electronics was completely dead ... and mechanics in very poor condition. I decided to try a pap bipolar motor 200 steps. epson E258. returning a code to publish some time.
Here I upload a video abstract .. I hope you like it: D thanks.

Very nice! Me gusta mucho!

Lovely! I like these things so much!
Nice work, @nicko_esx !

Sweet nice job indeed, so is that running from the GameDash, I have helped in a similar project where the dash actually contained steppers in it already, so it was quiet simply to hack into the circuit and drive them with a stepper driver and the Ard, in all contained 6 analogue gauges and 13 led lights.
Possible you will share the Ard code and maybe a wiring diagram for others to follow. Big Thanks.
I have done this before myself for a friend but we used servo motor, not as smooth as a stepper.
Very cool to bring an old gauge back to life.

hello.
thank you very much for your feedback.
tell them the project.
pap engine is powered by an L293 driver. this link: http://txapuzas.blogspot.com.ar/2009/12/paperstepperl293d-driver-de-potencia.html
construction is very easy, and it works only with two pins.


the code is this:

Code:

#include <Stepper.h>

#define STEPS 200

Stepper stepper(STEPS,10,11);


int rpm;
int i;
int previous_potion = 0;
int rotate;
int led = 13;
char kind_of_data;

void setup(){

Serial.begin(9600);

stepper.setSpeed(100);
pinMode(led, OUTPUT);
}

void loop()
{
while(Serial.available() > 0)
{

  kind_of_data = Serial.read();
  if (kind_of_data == 'R' ) Read_Rpm();
 
}


}

void  Read_Rpm(){

delay(2);
int Rpm100 = Serial.read()- '0';
delay(2);
int Rpm10 = Serial.read()- '0';
delay(2);
int Rpm1 = Serial.read()- '0';

int rpm = 100*Rpm100 + 10*Rpm10 + Rpm1;
rpm = map(rpm,0,200,0,200);
  rotate = rpm - previous_potion;
stepper.step(rotate);
previous_potion = rpm;
}

can imagine that the wiring and connection is easy.
arduino> driver two pins> motor.

should clarify that unfortunately run simtools achievement ... I need more experience. so sorry

Nice job, I hope you dont get too confused trying to sort the information you have asked for on another site as well.
I think you will find Simtools better.