That video is useful to learn about the esp8266 wifi Witty Cloud dev. board with oled module. You can get more from below and hope it helps you too.
![](https://sp-ao.shortpixel.ai/client/to_webp,q_lossless,ret_img,w_530,h_298/https://everythingesp.com/wp-content/uploads/2019/03/gxQdE-lqPH5362OoAsT7Buzsbku_seS0oOl6AnYnAU4UfyWmE0.jpg)
That video is useful to learn about the esp8266 wifi Witty Cloud dev. board with oled module. You can get more from below and hope it helps you too.