Microprocessor development board
A microprocessor development board is a printed circuit board containing a microprocessor and the minimal support logic needed for an electronic engineer or any person who wants to become acquainted with the microprocessor on the board and to learn to program it. It also served users of the microprocessor as a method to prototype applications in products.
Photo of two experimenter boards for the MSP430 chipset by Texas Instruments. On the left the larger chip version, on the right a small version in USB format.
Dragon12-P Freescale HCS12/9S12 microcontroller trainer, an All-In-One EVB, EVBU and project development board
On computers, a serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. This is in contrast to a parallel port, which communicates multiple bits simultaneously in parallel. Throughout most of the history of personal computers, data has been transferred through serial ports to devices such as modems, terminals, various peripherals, and directly between computers.
A male D-subminiature connector used for a serial port on an IBM PC compatible computer along with the serial port symbol
An IBM PC serial card with a 25-pin connector (obsolete 8-bit ISA card)
A PCI Express ×1 card with one serial port
A four-port serial (RS-232) PCI Express ×1 expansion card with an octopus cable that breaks the card's DC-37 connector into four standard DE-9 connectors
