LcdDisplay

Elixir drivers for common LCD modules, intended for Linux SBCs and Nerves-based systems.

Supported display types

Character LCD

HD44780-compatible character displays (e.g. 16x2, 20x4).

• Text-based output
• GPIO or I/O expanders (I2C / SPI backpacks)
• Typical use: status displays, simple menus

→ Character LCD documentation

Graphic LCD

Pixel-addressable LCD panels driven over SPI.

• Full-frame pixel rendering
• Typical use: images, custom UI, framebuffers

Supported panels:

• LcdDisplay.ILI9486
• LcdDisplay.ST7796

→ Graphic LCD documentation

Installation

You can install LcdDisplay by adding lcd_display to your list of dependencies in mix.exs:

def deps do
  [
    {:lcd_display, "~> 0.4"}
  ]
end