Using the Digital Discovery to Simulate an HD44780 Display - Digilent Reference
Lcdmod Kit, USB LCD, HD44780 LCD, Chip Components, and Electronic Components
Bus Pirate - v3.6a 1-Wire, 2-Wire, 3-Wire, UART, I2C, SPI, and HD44780 LCD protocols - All at voltages from 0-5.5VDC PIC24FJ64 Processor and a FT232RL USB-to-Serial chip: Amazon.com: Industrial & Scientific