Update gemma_main.py
fix to match guide!
@@ -17,7 +17,7 @@ pixel.fill((0, 0, 0))
led = DigitalInOut(board.D13)
led.direction = Direction.OUTPUT
-pwm = pulseio.PWMOut(board.A1, frequency=38000,
+pwm = pulseio.PWMOut(board.A2, frequency=38000,
duty_cycle=2 ** 15, variable_frequency=True)
pulse = pulseio.PulseOut(pwm)
