Blinking an LED is generally considered the hardware ... to the WiFi capability of the ever-popular ESP8266. Don’t think there’s much use for a wireless LED that blinks when your computer ...

Here a Adafruit Feather HUZZAH is used, but any ESP8266 would work in ... in the past we’ve seen a single LED clock that didn’t use Morse code to blink out the time, which might be a viable ...