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NSSSC 2014 Harding University

NSSSC 2014 Harding University. Anna Shafer Edmond Wilson, Ph.D. National Student Solar spectrograph competition. Design & Build Analyze Outreach Compete. NSSSC 2014 Team. SpectroMeter design. Spectrometer control. Wavelength selection. Grating position Turntable mount Precision.

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NSSSC 2014 Harding University

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  1. NSSSC 2014Harding University Anna Shafer Edmond Wilson, Ph.D.

  2. National Student Solar spectrograph competition • Design & Build • Analyze • Outreach • Compete

  3. NSSSC 2014 Team

  4. SpectroMeterdesign

  5. Spectrometer control

  6. Wavelength selection • Grating position • Turntable mount • Precision

  7. Stepper Motor STP-MTR-17040 • Controls grating position • Precision to 1.8° • Direction selection • Pulse input STP-DRV-4035

  8. Processing

  9. Communication • Timing signals • Synchronization: ROG • Data Clock: CLK • 2087 bytes per spectra SONY ILX511 Arduino UNO

  10. Communication timing • Chart for the timing

  11. Communication timing

  12. SpectrA Captures

  13. Analog Capture • Sampling Accuracy • Speed: 20 µsec • Reference voltage

  14. Filter and Store • Noise removal • Multiple readings – 3 to 5 • Average data points • SD card • 9600 baud serial • .csv format

  15. Questions?

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