The #ESP8266 Arduino code for the I2C/Wire library works with an extra library call to circumvent a bug. Here is the +Adafruit Industries HUZZZAH ESP8266 driving an Adafruit 8×8 tricolor LED matrix via I2C. Tutorial(s) can now proceed – controlling via Wifi, one can do all kinds of things.
![](https://sp-ao.shortpixel.ai/client/to_webp,q_lossless,ret_img,w_480,h_270/https://everythingesp.com/wp-content/uploads/2019/03/ESP8266-Matrix1.gif)