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@JnBrymn
Created February 9, 2024 15:23
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This is CircuitPython for the CircuitPlaygroundExpress that allows you to record music by pushing the A button and then touching the capacitive sensors. And then you can play the song by pushing the B button.
print("STARTED")
import time
from adafruit_circuitplayground import cp
notes = {
"C": {
"frequency": 523.25,
"color": (0, 0, 3)
},
"D": {
"frequency": 587.33,
"color": (0, 3, 0)
},
"E": {
"frequency": 659.25,
"color": (3, 0, 0)
},
"F": {
"frequency": 698.46,
"color": (3, 3, 0)
},
"G": {
"frequency": 783.99,
"color": (3, 0, 3)
},
"A": {
"frequency": 880.00,
"color": (0, 3, 3)
},
"B": {
"frequency": 987.77,
"color": (3, 3, 3)
},
}
duration = 0.1 # seconds
class Recorder:
def __init__(self):
self.notes = []
self.start_times = []
self.end_times = []
self.rec_start_time = None
self.note_pushed = False
def start_recording(self):
self.notes = []
self.start_times = []
self.end_times = []
self.rec_start_time = time.monotonic()
def start_note(self, note):
if not self.rec_start_time:
return
if self.note_pushed:
return
self.note_pushed = True
self.notes.append(note)
self.start_times.append(time.monotonic())
cp.start_tone(note["frequency"])
cp.pixels.fill(note["color"])
def stop_note(self):
if not self.rec_start_time:
return
if not self.note_pushed:
return
self.note_pushed = False
self.end_times.append(time.monotonic())
cp.stop_tone()
cp.pixels.fill((0, 0, 0))
def play_song(self):
self.rec_start_time = None
print("Playing song")
last_end = self.start_times[0]
for note, start, end in zip(self.notes, self.start_times, self.end_times):
time.sleep(start-last_end)
cp.start_tone(note["frequency"])
cp.pixels.fill(note["color"])
time.sleep(end - start)
cp.stop_tone()
cp.pixels.fill((0, 0, 0))
last_end = end
rec = Recorder()
while True:
if cp.button_a:
rec.start_recording()
elif cp.button_b:
rec.play_song()
elif cp.touch_A1:
rec.start_note(notes["C"])
elif cp.touch_A2:
rec.start_note(notes["D"])
elif cp.touch_A3:
rec.start_note(notes["E"])
elif cp.touch_A4:
rec.start_note(notes["F"])
elif cp.touch_A5:
rec.start_note(notes["G"])
elif cp.touch_A6:
rec.start_note(notes["A"])
elif cp.touch_A7:
rec.start_note(notes["B"])
else:
rec.stop_note()
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