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    <div class="moz-cite-prefix">Your might want to take a look at the
      TLC 5940. It's a led-driving chip with 16 pwm outputs. Chips are
      daisy-chainable, and there is an arduino library.<br>
      <a class="moz-txt-link-freetext" href="https://www.sparkfun.com/products/10136">https://www.sparkfun.com/products/10136</a><br>
      <br>
      On 25/06/2013 22:53, Charles Z Henry wrote:<br>
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    <blockquote
cite="mid:CAPfmNOFVaYXtn8SAVHYBdXRN-j_-rKRyco3a44CZCrCq_GXuJQ@mail.gmail.com"
      type="cite">
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        <div>Are you sure you need PWM pins?&nbsp; You'll definitely be
          paying for more *duinos if you are just using those.&nbsp; If I
          were you, I'd think of another way to deliver a variable
          impulse to the hammers.<br>
          <br>
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        Chuck</div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Tue, Jun 25, 2013 at 3:43 PM, Epic
          Jefferson <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:jeffreyconcepcion@gmail.com" target="_blank">jeffreyconcepcion@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">Hey guys,&nbsp;
              <div><br>
              </div>
              <div>I've had progress building an Arduino-powered
                solenoid system for a controlling a piano's hammer
                mechanism (removing the keys) via pd.&nbsp;</div>
              <div>So far I've found the solenoid I want to use.&nbsp;<img
                  moz-do-not-send="true" alt="Inline image 1"
                  height="352" width="470"><br clear="all">
                <div>Does any one have experience daisy-chaining
                  arduinos (or arduino mega's) to get more pwm pins,
                  while using just one usb connection for controlling
                  via pd?&nbsp;</div>
                <span class="HOEnZb"><font color="#888888">
                    <div><br>
                    </div>
                    -- <br>
                    <a moz-do-not-send="true"
                      href="http://www.epicjefferson.com"
                      target="_blank">www.epicjefferson.com</a><br>
                  </font></span></div>
            </div>
            <br>
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      <pre wrap="">_______________________________________________
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