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Schematics
This portion of the schematics shows how the speaker is connected to the target MCU.
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What is the exact nRF52833 pin the firmware needs to control to generate sound?
00std_speaker_1_cpu project
Load the project on your micro:bit.
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Extra credit! Modify the code to generate this sound:
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00std_speaker_2_pwm project
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Your instructor will discuss what a PWM peripheral on a micro-controller does. |
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