http://bill.welliver.org//space/letterpress/monotype/CasterControl<b class="bold">Bill Of Materials</b><p class="paragraph"/> 2 Cables-to-go #02666 10ft M/M DB25 Cable <br class="break"/> 31 Clippard #EV-3M-12 12V N/C 3-Way Mouse Valve <br class="break"/> 4 Clippard #15481-8 8 port mouse valve manifold <br class="break"/> 11 Clippard UT0-4 (10-32 x 1/8 I.D. elbow) <br class="break"/> 22 Clippard CT4 <br class="break"/> <br class="break"/> 31 Clippard CT-4 (10-32 x 1/8 I.D) <br class="break"/> <h3 class="heading-1">Clippard 11755-ENP <br class="break"/></h3> <br class="break"/> 2 100k ohm resistors <br class="break"/> &#49; 10k ohm resistor &#92; &#49; 7k5 ohm resistor <br class="break"/> &#50; 220 ohm resistors <br class="break"/> &#49; 470 ohm resistor <br class="break"/><p class="paragraph"/> 4 8-way isolated 220 ohm resistor nets <br class="break"/> 4 8-way bussed 470 ohm resistor nets <br class="break"/> 4 8-way isolated 1k ohm resistor nets <br class="break"/> 4 8-way bussed 10k ohm resistor nets<p class="paragraph"/> 3 DB25 female ports<p class="paragraph"/> 33 T-1 LEDs<p class="paragraph"/> Molex connectors<p class="paragraph"/> 17 Fairchild #HCPL-2731 2 channel opto-isolator <br class="break"/> 4 Toshiba #UNL2803A 8 channel darlington array <br class="break"/> &#49; Code Mercanaries DIP-40 IO-Warrior<p class="paragraph"/> <b class="bold">Assembly notes, pcb revision 0.9</b><p class="paragraph"/> LEDs for valve activity (only) are reversed from silkscreen. Short lead to short to squared side on board.<p class="paragraph"/> center of a 220/10k ohm voltage divider on input pin (18)<p class="paragraph"/> reorder port 3, pins 10-13.<p class="paragraph"/> reorder led traces: cut trace to led 27 pin 2 on top layer.<p class="paragraph"/> <b class="bold">Assembly order</b><p class="paragraph"/> <ol> <li>individual resistors</li> <li>c2</li> <li>hcpl 2731s</li> <li>isolated resistor nets (dip)</li> <li>bussed resistor nets (sip)</li> <li>leds</li> <li>sockets</li> <li>can capacitors</li> <li>power terminal</li> <li>usb socket</li> <li>db sockets</li> <li>populate sockets with ics<p class="paragraph"/></li> </ol><b class="bold">Cable Color Code</b><p class="paragraph"/> <div class="code"><pre><pre> 25 white 24 gray/black 23 gray 22 violet/white 21 violet 20 blue/white 19 blue 18 aqua 17gr/black 16 gr/white 15 green 14 y/black 13 yellow 12 pink/black 11 pink 10 orange black 9 orange white 8 orange 7 r/b 6 r/w 5 r 4 br/w 3 br 2 bl/w &amp;<font color=brown>#49; black </font></pre></pre></div><p class="paragraph"/> <b class="bold">Cable Pinnings</b><p class="paragraph"/> cables are pinned identically, though only cable 3 uses pins 12 + 13 for input, and cable 3 does not use all connections for valves.<p class="paragraph"/> <div class="code"><pre><pre> 1, 25 2, 24 3, 23 4, 22 5, 21 6, 20 7, 19 8, 18 9, 17 10, 16 11, 15 12, 13 </pre></pre></div> Fins 0.9.7http://blogs.law.harvard.edu/tech/rss