Arduino codes added

.gitignore

+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata

codes/arduino_NEMA17_stepmotor.ino

+bool switchState=0;
+int x = 0;
+byte incomingByte;
+#include <Stepper.h>
+
+const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
+
+// initialize the stepper library on pins 8 through 11:
+Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);
+
+void setup() {
+  // initialize the serial port:
+  myStepper.setSpeed(300); //CHANGE SPEED HERE***
+  Serial.begin(9600);
+  pinMode(12,INPUT);
+}
+
+void loop() {
+  switchState=digitalRead(12);
+
+  if (Serial.available() != 0) {
+    incomingByte = Serial.read();
+  if (incomingByte == '1') {
+    x = 1;
+    delay(100);
+}
+}
+
+  if(switchState == HIGH){ 
+    x = 1;
+    delay(100);
+}
+
+  if (x==1){
+  myStepper.step(800); // The motors has a step angle of 1.8 deg.***
+  delay(1000);
+  myStepper.step(-800);
+  delay(100);
+  Serial.end();
+  Serial.begin(9600);
+  x=0;
+  }
+
+ 
+  delayMicroseconds(50);
+}

robotmod.Rproj

+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX