16. Case 14: The Reading Range Guitar

16.1. Purpose

To make a guitar that is able to read ranges.

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16.3. Materials Required

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Video link: https://youtu.be/B_P8gOaA0Gc

16.4. Bricks build-up

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16.5. Installation Mthods of Hardwares

Install the sonar:bit with the bricks.

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16.6. Hardware Connection

Connect a sonar:bit to P1 port on Wukong breakout board.

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16.7. Software Platform

MakeCode

16.8. Coding

Add extensions

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

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Search with Wukong in the dialogue box to download it.

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Search with https://github.com/elecfreaks/pxt-sonarbit in the dialogue box to add the sonar:bit extension.

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Result

By detecting the value of the distance between the ultrasonic sensor and the baffle only, the buzzer is controlled to emit different tones.