Quantity   Component name
1 × Optical LED mouse This is the main sensory device and it is the one that is hacked. Common mice are 1000 DPI, however upto 16000 DPI laser mice are available. I have had no success with laser mouse., hence LED mouse is recommended.
1 × PVC pipe 3" dia, 1 m length This forms the external fixed pipe.
1 × PCV pipe 1" dia, 1m in length This forms the cantilever internal pipe.
1 × 3" to 1" PVC pipe reducer
1 × 3" end cap
1 × 1" end cap
1 × red LASER led pointer
1 × Wiring
1 × Arduino Uno
1 × USB Shield for Arduino Uno
1 × SD card shield For storing data
1 × RTC module This is necessary to keep the time realtime and store it as filename
1 × Old compact disc