How is touching a piece fruit detected by the micro:bit? Find out in this video:
Make
Materials
- micro:bit, battery holder and 2 AAA batteries
- Banana
- Orange
- 4 Crocodile clips
Steps
|Step 1|
- Connect the ground lead
Using the 1st crocodile clip, connect the end of the crocodile clip onto GND pin of the micro:bit.
|Step 2|
- Connect the sound lead
Using the 2nd crocodile clip, connect the end of the crocodile clip onto pin 0 of the micro:bit.
|Step 3|
- Connect the headphone to ground
Using the 1st crocodile clip, connect the second end of the crocodile clip onto based of the headphone jack.
|Step 4|
- Connect the headphone sound contact
Using the 2nd crocodile clip, connect the second end of the crocodile clip onto tip of the headphone jack.
|Step 5|
- Connect a fruit lead
Using the 3rd crocodile clip, connect the end of the crocodile clip onto the 1st crocodile clip already clipped onto GND.
|Step 6|
- Connect the orange to ground
Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto the orange.
|Step 7|
- Connect a second fruit lead
Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 1 on the micro:bit.
|Step 8|
- Connect the banana
Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto the banana.
|Step 9|
- Complete banana keyboard
Your banana keyboard is ready!
|Step 10|
- Test the keyboard
Connect your micro:bit to your computer using your USB cable and run this script:
input.onPinPressed(TouchPin.P1, function () {
music.playTone(music.noteFrequency(Note.C), music.beat(BeatFraction.Quarter));
});
Grab the orange with one hand. With the fingers of your other hand, tap the banana to play sound. Your banana keyboard is ready!
NEXT: beat box