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WorkLog20090227  
Work log for February 27, 2009.
Log
Updated Feb 4, 2010
  • NVRAM is fully wired and tested; works correctly. Had to bump the number of waits states up to 5 from 3.
  • We're tired of all the crazy voltage levels and regulators necessary. After some searching for a non-inverting op-amp solution (found one if necessary), I realized that since we only need three states a crude measure will suffice. We'll use the sensors as voltage dividers with a 500kOhm resistor.
  • All wiring is complete. On Tuesday we can start coding.
  • The following should be returned to the store room on Tuesday: 9V regulator (7809), -5V regulator (7905), 5V regulator (7805), and the op-amp + wire-wrap socket + label. We should also see if we can return anything else we won't be using (LCD screens, etc.).
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