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    <title>Ponoko - All items tagged with transistor</title>
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    <pubDate>Sat, 25 May 2013 16:04:03 GMT</pubDate>
    <description>Ponoko - All items tagged with transistor</description>
    <item>
      <title>Transistor tiles (100 tiles = 5 sets @ 20 tiles per set)</title>
      <link>http://www.ponoko.com/showroom/garykac/6432</link>
      <description>This design is for 5 sets of transistor tiles. These sets can be used in a middle-school computer science class to demonstrate how a logic gates can be constructed from transistors.

Each tile has a laser-cut drawing of an electrical symbol (n-type or p-type transistor, power, ground) or wires on it. Students are given a schematic that they re-create using the tiles. Once complete, the students use tokens representing &quot;0&quot;s and &quot;1&quot;s to figure out which logic gate they constructed. It is assumed that the students are already familiar with the standard boolean operations (AND, OR, XOR, and NOT). [More instructions will be posted later.]

Each set of 20 tiles can be used to create an inverter (logical NOT). Two sets can be combined to construct either a NAND or a NOR gate.

Recommended material for construction: ~3mm light-colored wood
&lt;br&gt;&lt;/br&gt;&lt;img alt=&quot;Trans-tiles-01_showroom_image&quot; src=&quot;http://static0.ponoko.com/design_images/images/23298/8fdbc44f-1f31-cffb-c681-e38be35eccaf/trans-tiles-01_showroom_image.jpg?1316667950&quot; /&gt;</description>
      <pubDate>Sat, 01 Oct 2011 03:05:15 GMT</pubDate>
      <guid>http://www.ponoko.com/showroom/garykac/6432?time=Thu+Sep+22+04%3A43%3A27+UTC+2011</guid>
      <author>garykac</author>
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