Up to 8 lines of 21 characters plus graphics using a 128x64 dot graphic VFD. Async-serial links ranging from 4800 to 38400 baud and SPI/I2C data rates of more than 500 KHz. eePROM memory is used to retain configuration and macro data. 4 font sizes and 8 user ports with auto key scan. This module is designed for customisation.