firmware du polargraph
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// Adafruit Motor shield library
// copyright Adafruit Industries LLC, 2009
// this code is public domain, enjoy!
#include <AFMotor.h>
// Connect a stepper motor with 48 steps per revolution (7.5 degree)
// to motor port #2 (M3 and M4)
AF_Stepper motor(48, 2);
void setup() {
Serial.begin(9600); // set up Serial library at 9600 bps
Serial.println("Stepper test!");
motor.setSpeed(10); // 10 rpm
void loop() {
Serial.println("Single coil steps");
motor.step(100, FORWARD, SINGLE);
motor.step(100, BACKWARD, SINGLE);
Serial.println("Double coil steps");
motor.step(100, FORWARD, DOUBLE);
motor.step(100, BACKWARD, DOUBLE);
Serial.println("Interleave coil steps");
motor.step(100, FORWARD, INTERLEAVE);
motor.step(100, BACKWARD, INTERLEAVE);
Serial.println("Micrsostep steps");
motor.step(100, FORWARD, MICROSTEP);
motor.step(100, BACKWARD, MICROSTEP);