[Claudio Larios] built a tachometer with LCD display, using only an eight pin PIC microcontroller for brains. (Translatrix.) Two pins are taken up by the power supply and one reads a Hall sensor ...
The Digital Blocks DB9000AXI4 LCD / OLED Display Controller IP Core interfaces a microprocessor and frame buffer memory via the AMBA AXI4 Protocol Interconnect to a LCD or OLED display panel. The ...