This tutorial is for that Arduino board. You are attempting to operate it for an ESP32. I didn’t try it with the ESP32. So, I’m not sure if it really works. By buying your personal copyright now, you’ll bypass the messy e-juices and overflowing tank techniques of other vape products. https://pixi-pro-8000-puffs-dispo64185.getblogs.net/61126443/display-of-8-fundamentals-explained