ESP Basic Series - Ep.2 - PCF8574 Driver - Mutually exclussive 8x Switch
Episode 2 from the new "ESP8266 BASIC" Series. This time we will start exploring the PCF8574 8bit Expander I2C IC and we will write a simple driver for it implementing a very handy 8x mutually exclussive Switch.
Related article: http://www.esp8266-projects.com/2016/...