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 metaTFT

A litte UI package (hardware / software) for building simple list like UIs for µcontroller projects.

Hardware

The hardware is split up into 3 main parts.

  1. small 2.2" TFT Display with SPI interface and SD card reader.
  2. 5 keys arranged as a cursor cross with unmarked caps and a legacy hollow shaft encoder
  3. Interface split & Signal conditioning

The three components / boards are interconnected by standard ribbon cable with microMaTch connectors

Boards

1. TFT board

The TFT board is a small connector board only holding the ribbon cable connector and the transistor for the backlight control. dispb

2. Key board

encb

3. Debouncer

debb

Software