Пассивный буззер (PWM) ESP32 micropython

Пассивный буззер (PWM)

 

ESP32 > PWM

3V3 > VCC 

 GND > GND

 D5 > I/O

Мелодия Star Wars.

main.py     

from machine import Pin, PWM
import time

buzzer = PWM(Pin(5))

def tone(freq, duration):
    if freq == 0:
        buzzer.duty(0)
        time.sleep(duration)
    else:
        buzzer.freq(freq)
        buzzer.duty(50)
        time.sleep(duration)
        buzzer.duty(0)
        time.sleep(0.02)

# Ноты (частоты в Гц)
A4 = 440
A4S = 466
B4 = 494
C5 = 523
C5S = 554
D5 = 587
D5S = 622
E5 = 659
F5 = 698
F5S = 740
G5 = 784
G5S = 831
A5 = 880

# 🎵 Мелодия Star Wars (упрощённая)
melody = [
    (A4, 0.5), (A4, 0.5), (F5, 0.35), (C5, 0.15),
    (A4, 0.5), (F5, 0.35), (C5, 0.15), (A4, 1.0),
    (E5, 0.5), (E5, 0.5), (E5, 0.5),
    (F5, 0.35), (C5, 0.15), (A4, 0.5),
    (F5, 0.35), (C5, 0.15), (A4, 1.0),
    (A5, 0.5), (A4, 0.35), (A4, 0.15), (A5, 0.5),
    (G5S, 0.25), (G5, 0.25), (F5S, 0.25), (F5, 0.25), (F5S, 0.5),
    (0, 0.25),
    (A4S, 0.25), (D5S, 0.5), (D5, 0.25), (C5S, 0.25), (C5, 0.25), (B4, 0.25), (C5, 0.5),
]

for note in melody:
    tone(*note)

buzzer.deinit()
print("✅ Мелодия Star Wars завершена!")

Мелодия Super Mario.

main.py     

from machine import Pin, PWM
import time

buzzer = PWM(Pin(5))

def tone(freq, duration):
    if freq == 0:
        buzzer.duty(0)
        time.sleep(duration)
    else:
        buzzer.freq(freq)
        buzzer.duty(512)
        time.sleep(duration)
        buzzer.duty(0)
        time.sleep(0.02)

# Ноты (частоты в Гц)
C4 = 262
D4 = 294
E4 = 330
F4 = 349
G4 = 392
A4 = 440
B4 = 494

C5 = 523
D5 = 587
E5 = 659
F5 = 698
G5 = 784
A5 = 880
B5 = 988

# 🎵 Простая мелодия Super Mario
melody = [
    (E5, 0.15), (E5, 0.15), (0, 0.1),
    (E5, 0.15), (0, 0.1), (C5, 0.15), (E5, 0.15),
    (0, 0.1), (G5, 0.3), (0, 0.3), (G4, 0.3),
    (0, 0.2),
    (C5, 0.15), (0, 0.1), (G4, 0.15), (0, 0.1),
    (E4, 0.15), (0, 0.1),
    (A4, 0.15), (B4, 0.15), (466, 0.15), (A4, 0.15),  # Bb4 = 466 Гц
    (G4, 0.1), (E5, 0.1), (G5, 0.1), (A5, 0.15),
    (F5, 0.1), (G5, 0.1), (0, 0.2),
]

for note in melody:
    tone(*note)

buzzer.deinit()
print("✅ Мелодия завершена!")