kopia lustrzana https://github.com/GuyCarver/MicroPython
31 wiersze
672 B
Python
31 wiersze
672 B
Python
#Control a relay board.
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from pyb import Pin
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class Relay(object):
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"""Control a relay board with an output pin. Set on to True to drive the relay pin low
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which turns the relay on."""
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def __init__( self, pin ) :
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"""Pin may be a pin name or pyb.Pin object set for output."""
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if type(pin) == str:
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self._pin = Pin(pin, Pin.OUT_PP, Pin.PULL_DOWN)
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elif type(pin) == Pin:
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self._pin = pin
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else:
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raise Exception("pin must be pin name or pyb.Pin")
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self.on = False
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@property
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def on( self ) : return self._pin.value()
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@on.setter
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def on( self, value ) :
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if value:
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self._pin.low()
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else:
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self._pin.high()
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