101 lines
2.4 KiB
Markdown
101 lines
2.4 KiB
Markdown
# banana keyboard activity
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build a banana keyboard
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# micro:bit banana keyboard
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In this project, you will build your own music player micro:bit banana keyboard from household fruit. Project duration: 15 minutes.
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## Materials
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* micro:bit, battery holder and 2 AAA batteries
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* Bananas
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* Orange
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* Crocodile clips
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## Steps
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### Step 1
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Using the 1st crocodile clip, connect the end of the crocodile clip onto GND pin on the micro:bit.
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### Step 2
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Using the 2nd crocodile clip, connect the end of the crocodile clip onto the 0 pin on the micro:bit.
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### Step 3
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Using the 1st crocodile clip, connect the second end of the crocodile clip onto based of the headphone jack.
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### Step 4
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Using the 2nd crocodile clip, connect the second end of the crocodile clip onto tip of the headphone jack.
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### Step 5
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Using the 3rd crocodile clip, connect the end of the crocodile clip onto the 1st crocodile clip already clipped onto GND.
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### Step 6
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Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto the orange.
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### Step 7
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Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 1 on the micro:bit.
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### Step 8
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Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto the banana.
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### Step 9
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Your banana keyboard is ready!
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### Step 10
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Connect your micro:bit to your computer using your USB cable and run this script:
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```blocks
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let sound = music.noteFrequency(Note.C);
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input.onPinPressed(TouchPin.P1, () => {
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for (let i = 0; i < 5; i++) {
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sound = sound + 25;
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music.playTone(sound, music.beat(BeatFraction.Sixteenth));
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}
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});
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```
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Tap your banana instrument to play sound against... the fruit!
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### ~avatar boothing
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Excellent, you're ready to continue with the [challenges](/lessons/banana-keyboard/challenges)!
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### ~
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