Abacus Prototype

* Materials:

- Abacus;

- Balsa Wood;

- LED lights and a 3V battery (optional).

* Smaller size (inner) wood as the stand for the abacus.

* Larger size (outer) wood as the cover.

* Abacus.

* Joining parts.

* The box (below) --> the box was made out of two parts (higher structure is needed, so that a certain range of area can be captured by the camera)

* The box (above) --> the inner part is slightly lower than the outer part to support the abacus.

* Abacus placed inside.

* There is a 'reset button' attached on the abacus. (setting everything to 0).

* A door at the bottom of the box (for camera and LED lights adjustment).

* LED lights. (doesn't affect much to the camera tracking, with or without the LED lights)