RT MCP23017 headers soldered

This is an MCP23017 board for expanding the virtual pins on a DCC-EX command station via an I2C connection.

The I2C can either be by Qwiic cables or Dupont cables.

It has provision for connection of an interrupt back to the command station.

There is provision for external power to the sensors.

The power connector, output and address headers are soldered in place.

It does not include headers for the Dupont cables.

The output headers are colour coded to match servo extension cables.

Includes one 50mm Qwiic cable.