He’s wondering if the ESP8266 is 5V tolerant after all. If it is, great. We don’t need level converters, and interfacing the ESP to USB TTL serial adapters becomes much easier. Yes ...

which is quite a design challenge for a user interface. I’ve sketched a rough floorplan of my house using Libreoffice Draw, and exported it as an SVG. Over this image, we’ll draw icons to ...