KY-023 tutorial added.

Author: Rafael Koch Peres

sensor-thumb-joystick/README.md

@@ -1,5 +1,30 @@
+* [Linksprite Thumb Joystick](linksprite-thumb-joystick)
+
+* [KY-023 Joystick Modul](ky-023-joystick)
+
+
+## Linksprite Thumb Joystick
+
+[Example code](thumbjoystick.py).
+
 ![Above View](images/above.jpg)
 
 ![Rear View](images/rear.jpg)
 
-![Below View](images/below.jpg)
+![Below View](images/below.jpg)
+
+
+## KY-023 Joystick
+
+[Example code](ky023.py) (very similar to the linksprite one - only the switch has an additional pin).
+This sensor has 5 pins, each one specified on the hardware itself.
+For the example code, the pins are (`sensor: extension board`):
+* x:	A0
+* y:	A1
+* sw:	D27 (notice the yellow cable on the images below)
+* +5V:	V
+* GND:	G
+
+![KY023](images/ky023.jpg)
+
+![Board Connection](images/ky023connection.jpg)