25 lines
462 B
Python
25 lines
462 B
Python
import time
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from machine import u2if, Pin, PWM
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# Connect a servo on GP_6
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MIN_DUTY_MS = 1000
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MAX_DUTY_MS = 2000
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servo_pwm = PWM(Pin(u2if.GP_6))
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servo_pwm.freq(50)
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duty = MIN_DUTY_MS
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direction = 1
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while True:
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duty += direction
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if duty > MAX_DUTY_MS:
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duty = MAX_DUTY_MS
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direction = -direction
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elif duty < MIN_DUTY_MS:
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duty = MIN_DUTY_MS
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direction = -direction
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servo_pwm.duty_ns(duty*1000)
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time.sleep(0.005)
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