added arduino rotary encoder

theball-elec/.gitignore

@@ -0,0 +1 @@
+.vscode

theball-elec/theball-elec.ino

@@ -0,0 +1,18 @@
+#include <Encoder.h>
+
+long last_position = 0;
+
+Encoder myEnc(2, 3); // pins for A and B
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  long position = myEnc.read();
+  if(position != last_position){
+    last_position = position;
+    Serial.println(position);
+  }
+  delay(100);
+}