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Javelin/adc0831 operating speed — Parallax Forums

Javelin/adc0831 operating speed

UltrasonicerUltrasonicer Posts: 3
edited 2005-05-27 01:34 in General Discussion
...recently have been developing an application using the Javelin and the ADC0831, followed appnote #7, all works well, but the sample rate is really slow, around 15/sec.· I really need something going about 4 times that speed. Is there any way to speed the thing up?· Also, has anyone out there made use of the ADC0838 (8 channel version of the same IC) with the javelin, with ideas or code on howto?· Any help would be appreciated.

dbarnard

Comments

  • theoatvecnatheoatvecna Posts: 20
    edited 2005-05-25 04:59
    I have written code for the Max 1270 8 channel ADC and get a good sample rate (haven't tested it explicitly, but I am reading from 3 of its channels every 20ms without problem. If you are interested I can post the code.
  • voodoofishvoodoofish Posts: 67
    edited 2005-05-27 01:34
    I haven't tried it yet, but I did grab a couple ic's from a local shop to play around with.

    an 831, an 834 and an 838.
    Haven't had a chance to test em yet though.....
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