Case 39：The Mechanical Crab
43. Case 39：The Mechanical Crab#
Build a mechanical crab with the Nezha Inventor’s Kit.
43.2. Quick to Start#
Build it as the assembly steps suggest:
We can see that the construction is completed as shown in the following figure:
43.3. MakeCode Programming#
Click “Advanced” in the MakeCode drawer to see more choices.
For programming the Ultrasonic Sensor, we need to add a package. Search with “PlanetX” in the dialogue box and click to download it.
For programming Nezha Breakout Board, we need to add a package. Search with “Nezha” in the dialogue box and click to download it.
Notice: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu.
Code as the picture suggests#
You may also download it directly:
After powering on, if the crab sees an approaching object ahead, it will crawl towards sideways.