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www.krekr.nl | ||
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thomascountz.com
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| | | | Arduino has a built-in tone() library which allows you to send a PWM frequency at 50% duty cycle to a specific pin in order to generate a tone on a piezoelectric buzzer with an optional duration. | |
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willhaley.com
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| | | | The Adafruit Feather RP2040 is an Adafruit Feather device that uses the same processor as a Raspberry Pi Pico. The Adafruit Music Maker FeatherWing is an audio playback shield designed for Adafruit Feather devices. After soldering headers or otherwise wiring the two devices together Adafruit's sample code can be used to play audio files. I found the sample code did not work for me. A reddit thread highlights the unofficial Arduino-Pico library. Using that library in the Arduino IDE along with some adjustments from the Flashgamer website got things working for me. | |
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coderdojoathenry.org
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| | | | Controlling Robot Wheels Last week, we figured out how to control a motor with a H-bridge. We expanded this to controlling a pair of wheels using the H-bridge. Above is a photo of the hardware. The wiring of the H-bridge is: H-bridge [+] and [-] are connected to a 9V battery H-bridge [IN1] to [IN4]... | |
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guy.carpenter.id.au
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