Contract
Design and Prototyping of Scientific, Medical and
Industrial Products, Sub Assemblies and Systems
DESCRIPTION
This board
communicates with a host controller board via an asynchronous
serial port. The host computer controls a 3 digit display and
several LEDs. The board reports data from BCD switches and a
button on an overlay (not shown).
NOTEWORTHY
TECHNOLOGY
Very low cost PIC micro controller and distributed 48 IO ports
costs only $1.60
Asynchronous full
duplex communication performed in software for low cost
