• MegaPi x 1

• RGB module x 1

• Crash sensor x 1

• 3-pin jumper x 2

• USB cable x 1

• Computer with network access x 1

Connect MegaPi to the computer by using the cable, connect the crash sensor and the RGB module to MegaPi respectively by using the jumpers, open mBlock 5 (PC client or web version), click +add, select mBot Mega from the Device Library, click Connect, and select the Upload mode.

When the crash sensor detects a crash, the RGB LEDs are on. Otherwise, the RGB LEDs are off.

1. Try to write a program by which the RGB LEDs are off when the crash sensor detects a crash and the RGB LEDs are on when the crash sensor does not detect a crash.

2. When you turn on mBot Mega, the number of RGB LEDs lighting up equals the number of times the crash sensor detects a crash.