Introduction
Connect a piezo speaker to a Bit Board and control it with code.
We'll explore how we can make sounds using a piezo speaker.
Video Overview
Featured Document
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We'll use Maker Tape to connect the Piezo to the Bit Board on a LEGO baseplate.
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The Piezo will connect to Pin 8 and to Ground (GND).
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You'll notice the Ground on the Bit Board (as well as the Piezo and other Crazy Circuits components we'll use) is color coded White.
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If you've never used a micro:bit before you'll want to check out this guide: Bit Board V2 Setup and Use
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We're going to load the following code for our Piezo CC vs Built-in program: https://makecode.microbit.org/_WF90o32Dd...
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The micro:bit (since the release of version V2) has included a built-in piezo speaker on the back. This guide will show you how to use both the Crazy Circuits Piezo we've connected as well as the built-in piezo on the micro:Bit and how to choose between the two.
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It may be worth taking a quick look at the set Audio Pin page for more in-depth information.
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Once the code is loaded it should start running immediately.
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You can power the micro:bit via the USB cable you used to load the code or you can use a battery pack plugged into the Bit Board.
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Press the A Button on the micro:bit and a sound will play on the Crazy Circuits Piezo Speaker we connected with Maker Tape.
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Press the B Button on the micro:bit and a sound will play on the piezo speaker on the back of the micro:bit
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The built-in piezo may be a bit louder. You can adjust the volume in the code to try making the volumes equal to each other if desired.
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Follow along with our recorded Live Stream!
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You can watch the full video of us walking through this project, along with explaining and exploring the code: https://www.youtube.com/live/3olw8CrFukM...
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Attached Documents
