Description:
The PIC DAS was designed to
fill a very real need which I always have in the Lab, which
is: "How do I quickly read some data or control some
hardware when the whole system isn't available?" I solved
this with the PIC DAS a PIC based data acquisition system.
The PIC DAS contains a PIC Microcontroller that is driven
via ASCII commands from a PC's RS232 port. The unit combines
8 digital I/O ports, 12 bit, 8 input A/D channels and a quad
12 bit D/A converter. The unit is battery powered and all
I/O connections are made via industrial screw terminals. For
PC software support the unit may be controlled with ASCII
commands or via a developed ActiveX control. The advantage
of the ASCII commands is that any terminal program can be
used to run the unit and the advantage of the ActiveX
control is that any Windows based programming language or
even applications like Excel and Word can be used to drive
the unit.
I now use the PIC DAS in
nearly every project where analog or digital I/O is needed
to quickly test or help turn-on and verify other aspects of
the designs.
- RS232 control with real
ASCII commands or an ActiveX interface simple
programming.
- All connections via
industrial screw terminals.
- Simple operation and
setup allows for quick results.
- 8 bit digital I/O
- 12 bit, 8 channel A/D
converter on board
- 12 bit, 4 channel D/A
converter on board
- Low power battery based
operation.
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