kopia lustrzana https://github.com/pimoroni/pimoroni-pico
31 wiersze
910 B
Python
31 wiersze
910 B
Python
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This example shows you how to change the I2C address of an IO Expander breakout (or any of our other Nuvoton based breakouts).
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"""
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from pimoroni_i2c import PimoroniI2C
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from pimoroni import BREAKOUT_GARDEN_I2C_PINS # or PICO_EXPLORER_I2C_PINS or HEADER_I2C_PINS
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# enter the current and desired I2C addresses here
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EXISTING_ADDRESS = 0x18
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NEW_ADDRESS = 0x20
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i2c = PimoroniI2C(**BREAKOUT_GARDEN_I2C_PINS)
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# Uncomment these lines to change the address
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# from breakout_ioexpander import BreakoutIOExpander
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# ioe = BreakoutIOExpander(i2c, address=EXISTING_ADDRESS)
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# ioe.set_address(NEW_ADDRESS)
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# List all the connected I2C devices so we can see the change
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print('Scanning i2c bus')
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devices = i2c.scan()
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if len(devices) == 0:
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print("No i2c device !")
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else:
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print('i2c devices found:', len(devices))
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for device in devices:
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print("Decimal address: ", device, " | Hexa address: ", hex(device))
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