Using WS2812-based NeoPixels in embedded systems - Embedded.com
Gravity: Digital RGB LED Module for Arduino, Micro:bit, and Raspberry Pi - Compatible with WS2812 RGB 5050 LED Strip 3.3V~5.5V : Amazon.ae: Lighting
Driving WS2812 LED strips with the ESP8266 | esp8266hints
ESP8266 on Twitter: "BigButton & Cheating at 5V WS2812 Control to Use 3.3V Data 📰 https://t.co/0PXj16byCz 🔧 https://t.co/DFcZUTAn9z ⬇ https://t.co/nT2V2UO9bj https://t.co/eMkCm3alRM" / Twitter
Shifting Levels | Level Shifting 3.3V microcontrollers and NeoPixels | Adafruit Learning System