API Reference

adafruit_adg72x

CircuitPython driver for the ADG728 and ADG729 analog matrix switches.

• Author(s): Liz Clark

Implementation Notes

Hardware:

• Adafruit ADG729 1-to-4 Analog Matrix Switch”

• Adafruit ADG728 1-to-8 Analog Matrix Switch”

Software and Dependencies:

• Adafruit CircuitPython firmware for the supported boards: https://circuitpython.org/downloads

• Adafruit’s Bus Device library: https://github.com/adafruit/Adafruit_CircuitPython_BusDevice

class adafruit_adg72x.ADG72x(i2c: Type[I2C], i2c_address: int = ADG728_DEFAULT_ADDR)

A driver for the ADG728/ADG729 analog multiplexers.

Initializes the ADG72x.

Parameters:

• i2c (Type[I2C]) – The I2C bus connected to the device.

• i2c_address (int) – The I2C address of the device. Defaults to 0x4C (ADG728).

property channel

Gets the list of currently set channels. Returns an empty list if no channels are active.

property channels

Gets the list of currently set channels. Returns an empty list if no channels are active.

channels_off()

Turns all channels off.