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References: NeoPixels and Non-Graphical Displays

  1. Liquid-crystal display - Wikipedia - Explains how character LCDs form text and why they need only a few control lines. Directly supports this chapter's I2C LCD section.

  2. Seven-segment display - Wikipedia - Describes how seven lit segments form digits, the basis for LED-matrix and numeric displays. Reinforces the chapter's non-graphical display coverage.

  3. RGB color model - Wikipedia - Covers how red, green, and blue mix to make any color, the foundation of NeoPixel color values. Supports the chapter's color-mixing examples.

  4. Get Started with MicroPython on Raspberry Pi Pico - Gareth Halfacree & Ben Everard - Raspberry Pi Press - The official book's display chapters cover NeoPixels and LED control with the patterns used here.

  5. Programming with MicroPython - Nicholas H. Tollervey - O'Reilly Media - Explains driving displays and LED strips from MicroPython, complementing this chapter's code.

  6. neopixel - MicroPython - Official reference for the built-in NeoPixel driver used throughout this chapter. The authoritative source for setting pixel colors.

  7. NeoPixel Überguide - Adafruit - The definitive guide to WS2812 addressable LEDs, covering power, timing, and wiring. Essential background for the chapter's NeoPixel projects.

  8. WS2812 Breakout Hookup Guide - SparkFun - Explains the one-wire protocol and chaining of addressable LEDs. Reinforces how the chapter's NeoPixels communicate.

  9. MAX7219 Dot Matrix Tutorial - Last Minute Engineers - Walkthrough of driving an 8x8 LED matrix with the MAX7219 chip. Supports the chapter's LED-matrix display section.

  10. Character LCDs - Adafruit - Guide to wiring and programming 16x2 and 20x4 character displays. Directly supports the chapter's LCD examples.