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 ...

a WiFi interface, and even a color screen. Reading the manual, [Ray] noted the device used the IP 192.168.4.1, which is commonly used by the ESP8266 when running in AP mode. The hunch proved to be ...