Author Topic: Switch matrix prob  (Read 3304 times)

0 Members and 12 Guests are viewing this topic.

Marty Machine

  • Guest
  • Trade Count: (0)
Re: Switch matrix prob
« Reply #30 on: March 14, 2009, 05:54:24 PM »
U18 & U19 are also LM339's, measure there volts to confirm what you should put onto U16/17.