ESP8266 HomeKit NeoPixel Light Strip A WS2812 LED strip in the Home app on an ESP8266, with a ready-made firmware for strips of 30, 60, 90, 120 or 144 LEDs. ESP8266 HomeKit Button Switch A small ESP8266 that appears in the Home app as a HomeKit switch, to turn another accessory on or off. A test setup with an ESP-01, three buttons and an FTDI adapter.