CircuitPython_TCA9535

CircuitPython library for TCA9535 and PCA9535 16-bit I2C Multiplexers

expander = TCA8535.TCA8535(i2c, address=0x20)
pin5 = expander.get_pin(5)
pin12 = expander.get_pin(12)

pin5.direction=digitalio.Direction.OUTPUT
pin5.value=True

Address Reference

A2	A1	A0	Address
L	L	L	32 (decimal) 0x20 (hexadecimal)
L	L	H	33 (decimal) 0x21 (hexadecimal)
L	H	L	34 (decimal) 0x22 (hexadecimal)
L	H	H	35 (decimal) 0x23 (hexadecimal)
H	L	L	36 (decimal) 0x24 (hexadecimal)
H	L	H	37 (decimal) 0x25 (hexadecimal)
H	H	L	38 (decimal) 0x26 (hexadecimal)
H	H	H	39 (decimal) 0x27 (hexadecimal)