# in work !!!

from machine import TouchPad, Pin, PWM
import time

TOUCH_THRESHOLD = 300  # Adjust based on sensitivity testing

# Touch input pins (GPIO numbers)
touch_pins = [4, 15, 13, 12, 14, 27, 33, 32]

# Corresponding output pins for speaker mixing
pwm_pins = [25, 26, 27, 14, 32, 33, 16, 17]

# Frequencies for C major scale (C4 to C5)
frequencies = [262, 294, 330, 349, 392, 440, 494, 523]

# Set up touch sensors
touch_sensors = [TouchPad(Pin(pin)) for pin in touch_pins]

# Set up PWM outputs (initially off)
pwm_channels = [PWM(Pin(pin), freq=1000, duty=0) for pin in pwm_pins]

def play_note(index):
    pwm_channels[index].freq(frequencies[index])
    pwm_channels[index].duty(512)  # 50% duty cycle

def stop_note(index):
    pwm_channels[index].duty(0)

while True:
    for i in range(8):
        touch_value = touch_sensors[i].read()
        if touch_value is not None and touch_value < TOUCH_THRESHOLD:
            play_note(i)
        else:
            stop_note(i)
    time.sleep_ms(20)