diff --git a/micropython/examples/breakout_ioexpander/set_address.py b/micropython/examples/breakout_ioexpander/set_address.py new file mode 100644 index 00000000..adef14b4 --- /dev/null +++ b/micropython/examples/breakout_ioexpander/set_address.py @@ -0,0 +1,30 @@ +""" +This example shows you how to change the I2C address of an IO Expander breakout (or any of our other Nuvoton based breakouts). +""" + +from pimoroni_i2c import PimoroniI2C +from pimoroni import BREAKOUT_GARDEN_I2C_PINS # or PICO_EXPLORER_I2C_PINS or HEADER_I2C_PINS + +# enter the current and desired I2C addresses here +EXISTING_ADDRESS = 0x18 +NEW_ADDRESS = 0x20 + +i2c = PimoroniI2C(**BREAKOUT_GARDEN_I2C_PINS) + +# Uncomment these lines to change the address +# from breakout_ioexpander import BreakoutIOExpander +# ioe = BreakoutIOExpander(i2c, address=EXISTING_ADDRESS) +# ioe.set_address(NEW_ADDRESS) + +# List all the connected I2C devices so we can see the change +print('Scanning i2c bus') +devices = i2c.scan() + +if len(devices) == 0: + print("No i2c device !") + +else: + print('i2c devices found:', len(devices)) + +for device in devices: + print("Decimal address: ", device, " | Hexa address: ", hex(device))