(2024-09/2024-12)

Lua interface for sending data to RGB stripe.

RGB stripe is connected to Arduino. Arduino is connected to USB. USB can be accessed as "file" /dev/ttyUSB0 or something like that.

On Arduino is firmware (written by me in C++). It has text interface.

So you can always connect to device via serial interface (try Serial Monitor from Arduino IDE or Arduino CLI). 115200 baud. Password.. no password, just connect and type ?.

We're implementing subset of supported commands.

• Interface
• SetPixel(Index, Color) sets pixel in device memory
• SetPixels(Index, Colors) sets pixels in device memory
• Display() displays device memory on LED stripe
• Reset() resets device memory (makes pixels black)

We're providing test/usage examples:

• 1_SetPixel -- set specific pixels
• 2_SetPixels -- set whole stripe to image line
• 3_Scrolling_image -- demo of "smooth" scrolling

Hardware

• Ws2812B (aka Neopixel) LED stripe
• ATmega328/P (aka Arduino Uno)
• Standalone 5V power supply is recommended

Firmware

• That repo (Server interface)
  • avrdude
  • arduino-cli

Software

• Linux (for /dev/ttyUSB0)
• Lua 5.3+
• This repo (Client interface)

• Server part
• My other repositories