Wiring This wiring is NOT best practice, however, for th epurposes of testing it’ll work just fine. If you want a proper setup I suggest reading Adafruit’s NeoPixel UberGuide. The main issue here is that the LEDs are being powered directly from the board, on a 3v3 line, rather than an external power supply. Furthermore, there is 0 protection against power surges whihc could potentially fry the LEDs. WLED Setup WLED is a piece of software that will run on an ESP8266 enabled device with both a web GUI and an Android application to control it.