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[stripchart.py] sends 10-bit data (0-1023 from CCD) in RRUFF file format
to [stripchart4.ino] running on Arduino Mega on COM14. The Arduino Mega 2560
then sends the 12-bit rescaled data (0-4095) out to an AD7245A DAC chip which
creates the 0-10V analog input signal for the strip recorder.
The Linear Instruments corp strip chart recorder (Model 456) was set to
10cm/min speed and 10V full range. The data was not smoothed or baseline corrected. The resolution on the Raman computer's screen is 1600x1000 but some features seem more visible (qualitatively) on the analog strip chart. Later, a "stripchart" function was programmed into the Python user interface to produces a enlongated spectrum dump. It's not clear at this moment if that output is comparable to the analog stripchart dump. |
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