Merge branch 'master' of https://github.com/SmartArduino/DOITdoc

source/Robotics/01_AccessoryForTank.rst

@@ -73,10 +73,11 @@ The wheel for tank has driving wheel and bearing wheel. And each wheel can be me
 Driving wheels for the caterpillar TC-09
 ^^^^^^^^^^
 
-Metal Driving Wheel
+Metal Driving Wheel TW-09
 ^^^^^^^^^^^
 
-The parameters can be seen as the follows.
+The parameters can be seen as the follows:
+
 * Name: metal driving wheel
 * Color: silver and golden yellow
 * Material: aluminum alloy
@@ -122,7 +123,55 @@ To be fitable the different size for the motor axis, we have the following three
 
     Coupling for driving wheel
 
+ Plastic Driving Wheel
+
+ The following plastic driving wheel can be used for the caterpillar TC-09.
+
+.. figure:: ../_static/Pdrivingwheel.jpg
+   :align: center
+   :alt: Plastic driving wheel
+   :figclass: align-center
+
+    Plastic driving wheel
+
+ But the related coupling for this plastic driving wheel is as follows. It has 4mm, 5mm, and 6mm from the size.
+
+ .. figure:: ../_static/Pdrivingwheelcoupling.jpg
+   :align: center
+   :alt: Coupling for plastic driving wheel
+   :figclass: align-center
+
+    Coupling for plastic driving wheel
+
+ .. Note::
+
+ * In the default case, the coupling must be bought;
+ * The assembling method is the same in the following driving wheel for TC-03;
 
+Bearing Wheel TB-09
+^^^^^^^^
+The bearing wheel can be seen as follows, which is assembled by two bearings. So the friction is very small, and can make the wheel move smoothly.
+
+.. figure:: ../_static/TB09.jpg
+   :align: center
+   :alt: List of bearing wheel TB-09
+   :figclass: align-center
+
+    List of bearing wheel TB-09
+
+.. figure:: ../_static/TB091.jpg
+   :align: center
+   :alt: Bearing wheel TB-09
+   :figclass: align-center
+
+    Bearing wheel TB-09 
+
+ .. figure:: ../_static/TB092.jpg
+   :align: center
+   :alt: Bearing wheel TB-09
+   :figclass: align-center
+
+    Bearing wheel TB-09