ESP8266 - BASIC - PCF8574 Drivers Example

[TJ232]

If you didn't use it before, it might worth to give it a try: www.esp8266basic.com. Latest Version 3.0 looks impressive, is using websockets and is full of goodies.

Please find below also some handy ESPBasic I2C related examples:

  - ESP BASIC Series - Ep.1 - I2C Bus Scanner Software tutorial - A nice & tiny piece of software that can help you with your ESPBasic & I2C related projects:



  - ESP Basic -1 - PCF8574 I2C I/O Expander Driver example - How to implement a interactive web interface for a mutually exclusive 8x1 Switch.

[TJ232]

Have done also the step-by-step tutorial also for the PCF8574 Driver for a 8 x Independent Switches implementation:



Related full article : ESP8266 Basic Series - Part 3 - PCF8574 Driver for a 8 x Independent Switches

Credit for the XOR bit masking technique goes this time to forlotto from esp8266.com forum who was quicker in posting than me