DA&C stands for Data acquisition & Control. It uses the printer port to send eight (8) outputs CONTROL lines from the PC parallel printer port to the project board. It receives five inputs lines from the project board back to the PC via the parallel printer port. The project board contains output latches, Input buffers. A/D converter (Analog to Digital Converter), Operational Amplifier, wheatestone bridge, Current meter, and a Solar cell.... Additional details