80. Case 76: The Tomato Clock#

80.1. Introduction#

The Tomato Clock is a clock that uses the tomato work method to manage time, helping one to focus and improve efficiency, and is a great aid to work and study.

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80.2. Case building#

Required equipment#

ELECFREAKS micro:bit Nezha 48 IN 1 Inventor’s Kit

ELECFREAKS PlanetX Segment Sensor

ELECFREAKS PlanetX Rainbow LED

Assembly steps#

Parts List

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The structure is built as shown in the figure:

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Connection schematic#

In the diagram below, connect the Dust Sensor to the J1 port and the Motor Fan to the J2 port on the Nezha Board.

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80.3. Makecode Programming#

Step 1#

Click “Extensions” in the MakeCode drawer.

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In order to program the PlanetX sensor, we need to add an extension library. Search with “PlanetX” in the dialog box to download this library.

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*Note: *If you get a prompt saying that some code libraries will be removed for incompatibility reasons, you can either follow the prompt and continue, or create a new project.

Step 2#

Write the program as shown in the figure#

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Reference Program#

Link: https://makecode.microbit.org/_AY6FuKHFs6H0

You can also download the program directly from the following webpage and start running the program once the download is completed.

Results#

Countdown to 25 seconds, the device will play music and lighting effects after the countdown.

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