9. Case 08: Auto Pick-up Device

9.1. Introduction

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• In the normal pick-up of the nut fruits, we usually use a stick to chop the branches to get the mature fruits, which could do a bad harm to the leaves and branches,thus, we can make an auto pick-up device by shaking the trunk of the tree.

9.2. Function

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• Shake the trunk of the tree to get the fruits.

9.3. Products Link

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• 1 x microbit Smart Agriculture Kit

9.4. Picture

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9.5. Hardware Connection

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Connect the servo to P1 on IoT:bit.

9.6. Software Programming

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Click “Advanced” in the MakeCode to see more choices.

For programming, we need to add a package: click “Extensions” at the bottom of the MakeCode drawer and search with “servo” in the dialogue box 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.

9.7. Program

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Set the servo to drive to 90°, pause for 200ms, then set it to drive to 0° and pause another 200ms.

Link: https://makecode.microbit.org/_EdPD6HckVEuE

9.8. Result

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• Shake the trunk via the servo to pick up the fruits.