Add kitronic 3

kitronic_03.py

@@ -0,0 +1,20 @@
+from microbit import *
+
+
+def main():
+    light_on = False
+    touched = False
+    while True:
+        if pin0.is_touched() and not touched:
+            light_on = not light_on
+            touched = True
+        if not pin0.is_touched():
+            touched = False
+        if light_on:
+            pin2.write_analog(pin1.read_analog())
+        else:
+            pin2.write_digital(0)
+
+
+if __name__ == "__main__":
+    main()