home *** CD-ROM | disk | FTP | other *** search
/ ftp.barnyard.co.uk / 2015.02.ftp.barnyard.co.uk.tar / ftp.barnyard.co.uk / cpm / walnut-creek-CDROM / MBUG / MBUG061.ARC / DATLOG.WSF < prev    next >
Text File  |  1979-12-31  |  2KB  |  33 lines
  1.                    TURN YOUR BEE INTO A DATA LOGGER. !!!
  2.  
  3. Fo≥á abou⌠á $2╡á yo⌡ caε makσ ß simplσ A/─ converte≥ tha⌠á plug≤á int∩á thσ ì
  4. parralle∞á por⌠ oµ you≥ BE┼ anΣ usσ ß simplσ BASI├ programe t∩ reaΣ thσá ╕ ì
  5. bi⌠ datß word≤ int∩ memor∙ anΣ displa∙ theφ oε thσ screen.
  6.  
  7. Yo⌡ caε theε modif∙ thσ programe t∩ d∩ sucΦ thing≤ a≤ soundinτ ß tonσ iµ ß ì
  8. certaiεá valuσá i≤ exceedeΣ o≥ falleε shor⌠ oµ, timσ thσ onse⌠ oµ aεá even⌠ ì
  9. froφ thσ star⌠ oµ Datß Logginτ« Yo⌡ caε als∩ d∩ calculation≤ oε thσ storeΣ ì
  10. datß value≤. e.g« calculatσ averagσ value≤ o≥ areß unde≥ ß curve.
  11.  
  12. Thσá A/─á use≤á ßá Nationa∞ Semiconducto≥ 080┤ chi≡á iεá thσá freσá runninτ ì
  13. configuration« (update≤ ever∙ 10░ micr∩ secs.⌐ I⌠ i≤ powereΣ froφ thσ BEE'≤ ì
  14. ╡á vol⌠ suppl∙ whicΦ i≤ availablσ a⌠ pin≤ 8(5v⌐ anΣ 1(Gnd.⌐ oµ thσ paralle∞ ì
  15. port.
  16.  
  17. Thσá othe≥ hardwarσ requireΣ consist≤ oµ ß circui⌠ board¼á ß 1╡ wa∙á Cannoε ì
  18. typσ connector¼ ß ca≡ anΣ ß resistor.
  19.  
  20. T∩á star⌠á thσ 080┤ readinτ jus⌠ removσ froφ thσ I/╧ por⌠ anΣ repluτ i⌠á iε ì
  21. witΦ thσ BE┼ switcheΣ on. (o≥ momentaril∙ grounΣ pin≤ 3&5.)
  22.  
  23. Thσ BASI├ programe use≤ thσ IN(0⌐ commanΣ t∩ reaΣ thσ datß worΣ a⌠ thσ PI╧ ì
  24. port. A≤á thi≤ i≤ useΣ iε ß loo≡ t∩ contro∞ thσ tota∞ n∩ oµ read≤á anΣá als∩ ì
  25. allo≈á fo≥á scalinτ t∩ kee≡ thσ screeε displa∙ shorte≥ thaε 51▓á horizonta∞ ì
  26. position≤ thσ timσ betweeε read≤ depend≤ oε thσ inpu⌠ condition≤ anΣ i≤á oµ ì
  27. thσ orde≥ oµ 1/2░ T╧ 1/3░th oµ ß second.
  28.  
  29. T∩á havσá stric⌠ contro∞ oµ thσ timinτ ß machinσ languagσ routinσá mus⌠á bσ ì
  30. useΣ (thi≤ als∩ allow≤ ß mucΦ smalle≥ timσ intervillσ t∩ bσ used.
  31.  
  32. Thσ Datß i≤ storeΣ a≤ ß subscripteΣ variablσ D(n)« 
  33.