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MXS control june 25, 2010

Gwynneth Davidoff, Kendall Pletcher, Mary Schmidt, Amy Whitcombe. MXS control june 25, 2010. Progress. Mostly debugging PWM issues: Able to control PWM without GUI, but it didn’t work later Looking at time lag between ASCII file input and DAC output

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MXS control june 25, 2010

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  1. Gwynneth Davidoff, Kendall Pletcher, Mary Schmidt, Amy Whitcombe MXS controljune25, 2010

  2. Progress • Mostly debugging • PWM issues: Able to control PWM without GUI, but it didn’t work later • Looking at time lag between ASCII file input and DAC output • Appears to be a limiting threshold for updating information (~12 ms) • Reduced to 4 ms when print statements were removed • Connecting PWM and DAC output • Thinking of using a relay to switch between two voltages on a DAC, triggered by the PWM output from the PIC

  3. Next steps • Today/weekend • Continue to debug GUI/PIC connection • Make circuit to connect PWM and DAC output • Continuously updating GUI • Next week • Anything of the above that isn’t finished • Testing with MXS (“should be in the mail [yesterday]”) • Once we solidify the system we want: PCB layout, components box design

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