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import time
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import gex
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# pwm frequency sweep
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with gex.Client(gex.TrxRawUSB()) as client:
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pwm = gex.PWMDim(client, 'dim')
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pwm.start()
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pwm.set_duty_single(1, 500)
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for i in range(2000, 200, -15):
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pwm.set_frequency(i)
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time.sleep(0.05)
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pwm.stop()
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