Play thousands of songs on your Raspberry Pi Pico with a buzzer
Micropython library to play music through a buzzer, automatically replaces chords with fast arpeggios to simulate polyphony. Music can be easily taken from onlinesequencer.net
Also supports playing music through multiple buzzers, dividing the currently playing notes across them for polyphony
See it working or test it out using this online simulator! One Buzzer | Multiple Buzzers
Demo.mp4
- Connect your buzzer to a ground pin and pin 0 on your Pico
- Install micropython on your Pico and copy the files in this repository to it
- Find some music on onlinesequencer.net (music aligned to the grid works best), click edit, select all notes with CTRL + A and then copy them with CTRL + C
- Paste the string in place of the one in the example file, making sure to remove the "Online Sequencer:120233:" from the start and the ";:" from the end
You can pause and resume with mySong.stop() and mySong.resume()
| Board | Compatible? |
|---|---|
| Raspberry Pi Pico | Yes |
| Wemos D1 mini (ESP8266) | Yes i8 |
| Raspberry Pi 3, 4 | Follow steps below |
The following code was contributed by @Miniontoby in i10, simply create a file called machine.py in the same folder as the other files and put this code in it:
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
class PWMchanged(GPIO.PWM):
def __init__(self, chan, freq):
super().__init__(chan, freq)
self.start(freq)
def duty(self,dutycycle): self.ChangeDutyCycle(dutycycle/65535)
def freq(self, value): self.ChangeFrequency(value)
def deinit(self): self.stop()
pass
def PWM(pin):
GPIO.setup(pin, GPIO.OUT) # Just to make sure
return PWMchanged(pin, 50)
def Pin(pin):
GPIO.setup(pin, GPIO.OUT)
return pin