lightweight1206 [QUESTIONS] http://www.instructables.com Member Feed Sun, 19 May 2013 11:03:45 PDT BLOX v1.01 how would you know the numbers on an op amp chip? http://www.instructables.com/answers/how-would-you-know-the-numbers-on-an-op-amp-chip/ Q2O93SLFTK89LQB lightweight1206 play Fri, 17 Apr 2009 05:08:38 PDT