Displays

Compact character LCD modules are ideal when a simple text read‑out is needed, offering parallel or serial interfaces that match common microcontroller pins and libraries. Larger alphanumeric and 7‑segment panels provide clear numeric or symbolic output for dashboards, status indicators or portable displays, with options for single‑colour or RGB backlighting to suit visual style. Graphic TFT or OLED screens add pixel‑level control, enabling icons, menus and low‑resolution images, while built‑in graphics processors allow stand‑alone operation with minimal host processing. Touchscreen panels integrate input and visual feedback in a single panel, useful for interactive kiosks or Raspberry Pi‑based tablets. Key attributes to consider include interface type, colour or backlight options, resolution, size and the presence of on‑board controllers that simplify integration.