This page describes a proposed generic microcontroller module for use in various applications. Desirable features:

• LCD character/graphics display interface
  • Character: HD44780 interface (4-bit OK) with contrast adj
  • Graphics: i.e. ​122x32 ​Microtips with ​SED1520 or ​SED1335 (available at mouser).
• Switch/keypad interface
• 7-segment LED interface
• Discrete LED interface
• Sound Generator (speaker)
• RS-232/RS-485 interface

Other optional features/ideas:

• Daughterboard site for USB/Ethernet
• FPGA (daughterboard or on-board)
• external RAM (flash and/or SRAM)