ESP8266 Community Forum

- Mon Mar 13, 2017 6:37 pm #63656 Hi All,
I am new to ESP8266 and Arduino. I am trying to light the 8 LEDs connected to port A or MCP23017 which is connected to WeMos D1 Mini. can somebody plz help me with the code.

- Tue Mar 14, 2017 10:38 am #63680 You could simply use this library :
https://github.com/adafruit/Adafruit-MC ... no-Library

- Tue Mar 14, 2017 3:09 pm #63692 I want to connect 1 single WS2812 LED to each of the 8 pins of Port A of MCP23017. Can you please explain in detail how I can do it with adafruit/Adafruit-MCP23017-Arduino-Library

- Wed Mar 15, 2017 9:17 am #63732 Well, unfortunately, I misread the title yesterday, I thought it was with plain LED.
For WS2812, the MCP23017 is not a good choice, because you need to bitbang 24 bits RGB into WS2812, which will be quite slow thru MCP23017 and I2C bus.

You should take a look at those :
http://www.instructables.com/id/ESP8266 ... rduino-ID/
https://github.com/kitesurfer1404/WS2812FX