3 Comments

  1. March 28, 2013 at 5:24 pm

    Ted

    Thank you for the ideas. I will start working on this soon!
    Ted

    Reply
  2. May 2, 2013 at 7:32 pm

    Satish

    Do you have a two way intercom for me please.

    Reply
  3. January 12, 2014 at 4:34 pm

    chandrashekhar

    i have toknow,how to construct r p m metre,using 555IC,IRled’s,7930ICand 7segments

    Reply

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