PCF8575 - 16 Bit I/O Port Expander - Driver implementation

[trackerj]

Step-by-step Tutorial for programming the new ESP8266 PCF8575 - 16 Bit I/O Port Expander Board.

Part 1: Initalisation and Writing data on the 16Bit I/O Port.

Part1 - PCF8575 - I2C Remote 16 bit IO expander - ESP8266 Driver

Related Article : PCF8575 – Remote 16-bit I/O expander for ESP8266 – I2C-bus – P1