Difference between revisions of "Team:UMaryland/Notebook"
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</ul> | </ul> | ||
<br> | <br> | ||
| + | <p style="font-size:24px;text-align:left;text-decoration: underline;"> | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- began work on Arduino code to cycle the machine |
| + | <li>- purchased Peltier units and lm35 temperature sensors | ||
</li> | </li> | ||
</ul> | </ul> | ||
| Line 369: | Line 371: | ||
</ul> | </ul> | ||
<br> | <br> | ||
| + | <p style="font-size:24px;text-align:left;text-decoration: underline;"> | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- received Peltier's, lm35's and began testing the code |
| + | <li>- 6 volt battery pack was found to be insufficient to run Peltier's | ||
| + | <li>- purchased an AC/DC power converter | ||
</li> | </li> | ||
</ul> | </ul> | ||
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<br> | <br> | ||
</div> | </div> | ||
| − | |||
| − | |||
<div id='contentbox'> | <div id='contentbox'> | ||
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</ul> | </ul> | ||
<br> | <br> | ||
| + | <p style="font-size:24px;text-align:left;text-decoration: underline;"> | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- Peltier units heated and cooled to proper temperatures however took 30 minutes to cycle properly |
| + | <li>- started construction of housing to insulate the element to cycle temperature faster and reduced time to 15 minutes | ||
| + | <li>- burned out Peltier elements and broke temperature sensor, and ordered new ones | ||
</li> | </li> | ||
</ul> | </ul> | ||
| Line 431: | Line 437: | ||
</ul> | </ul> | ||
<br> | <br> | ||
| + | <p style="font-size:24px;text-align:left;text-decoration: underline;"> | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- received new Peltier unit and temperature sensor |
| + | <li>- began milling on metal PCR tube holder | ||
</li> | </li> | ||
</ul> | </ul> | ||
| Line 456: | Line 464: | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- received milled PCR tube holder |
| + | <li>- embedded temperature sensors into holder reran the machine and again burned out Peltier's | ||
| + | <li>- spoke with Peltier manufacturers and Open PCR staff and found the Peltier's used for PCR were specialized and more expensive | ||
| + | <li>- bought higher grade Peltier's to handle high voltages | ||
</li> | </li> | ||
</ul> | </ul> | ||
| Line 505: | Line 516: | ||
PCR | PCR | ||
<ul class="a"> | <ul class="a"> | ||
| − | <li>- | + | <li>- Peltier's were still in shipping however work continued on the software |
| + | <li>- designed relay configuration to both heat and cool Peltier's with an unidirectional current flow | ||
</ul> | </ul> | ||
Revision as of 23:46, 18 September 2015
