See also:

The distance display and buzzer
When a sensor detects an obstacle, the direction of and the approximate distance to the obstacle are displayed and the buzzer sounds. Distance display Corner sensor Center sensors Buzzer ope ...

Touch screen operation
This system is operated mainly by the touch screen buttons on the screen. NOTICE To prevent damaging the screen, lightly touch the screen buttons with your finger. Do not use objects other than y ...

Open source license
This product uses the following open source software. · T-Kernel This Product uses the Source Code of T-Kernel under T-License granted by the T-Engine Forum (www.t-engine.org). · C Library ...