But breaking out the ESP8266’s I2C pins the pins that ESPEasy uses for software-emulated I2C turns this little “switch” into something much more useful — a wall-powered IoT sensor node in ...

Okay, maybe it was a little limited, but nostalgia doesn’t care. Now [mcuhacker] is working on bringing some of those memories back by getting a PC-XT emulator running on an ESP8266.