Recent content by John_vk5po

  1. J

    ROTARY ENCODER interfaced to LED UP / DOWN count display

    Hi Steve, I do not have a 'scope now, my lad hijacked it for his projects. A friend has lots of high spec test equipment at his disposal, and has tested the o/puts for me he said. He is a busy fellow, so hopefully he finds the time to help me out a little more.!. BELOW are his observations so...
  2. J

    ROTARY ENCODER interfaced to LED UP / DOWN count display

    Hi from southern Australia guys! Here is my "hopeful application" A Chinese made rotary encoder ( open collector A/B o/puts) attached to a rotating shaft (on a roller inductor in an antenna tuning unit) then interfaced via a LS 7183 QUADRATURE CLOCK CONVERTER IC that in turn ( I was...
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