https://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&feed=atom&action=historyHiRel/CanSat - Revision history2024-03-28T08:11:28ZRevision history for this page on the wikiMediaWiki 1.18.1https://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=2327&oldid=prevFrancois.corthay at 08:07, 19 June 20182018-06-19T08:07:36Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{TOC right}}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{TOC right}}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The [http://en.wikipedia.org/wiki/CanSat CanSat] is a micro-satellite used for [[CanSat/Comptetition student competitions]] to educate the whole development chain from design until launch of space equipment.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The [http://en.wikipedia.org/wiki/CanSat CanSat] is a micro-satellite used for [[CanSat/Comptetition<ins class="diffchange diffchange-inline">|</ins>student competitions]] to educate the whole development chain from design until launch of space equipment.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=2326&oldid=prevFrancois.corthay at 08:06, 19 June 20182018-06-19T08:06:37Z<p></p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The [http://en.wikipedia.org/wiki/CanSat CanSat] is a micro-satellite used for [<del class="diffchange diffchange-inline">http:</del>/<del class="diffchange diffchange-inline">/www.cansat.eu </del>student competitions] to educate the whole development chain from design until launch of space equipment.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The [http://en.wikipedia.org/wiki/CanSat CanSat] is a micro-satellite used for [<ins class="diffchange diffchange-inline">[CanSat</ins>/<ins class="diffchange diffchange-inline">Comptetition </ins>student competitions<ins class="diffchange diffchange-inline">]</ins>] to educate the whole development chain from design until launch of space equipment.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1754&oldid=prevOliver.gubler at 10:25, 11 March 20162016-03-11T10:25:50Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The biggest PCB board surface is attained at a tilt of 18° from the base pentagon.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The biggest PCB board surface is attained at a tilt of 18° from the base pentagon.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[File:Pcb surface 5.svg|<del class="diffchange diffchange-inline">300 </del>px|center]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[File:Pcb surface 5.svg|<ins class="diffchange diffchange-inline">200 </ins>px|center]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>These boards are held in place and connected together with two round boards, one on the top and one on the bottom.  </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>These boards are held in place and connected together with two round boards, one on the top and one on the bottom.  </div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[File:Cansat.jpg|300 px|center]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[File:Cansat.jpg|300 px|center]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">= Power Consumption =</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Following figure shows the power consumption of a CubeSat containing a [[HiRel/CanSat/Master_FPGA|Master FPGA]] and a [[HiRel/CanSat/Slave_Power|Slave Power]].</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">A sample design has been loaded into the FPGA which lights up LD1 on the [[HiRel/CanSat/Slave_Power|Slave Power]] and oscillates LD2. The oscillation of the LED is the cause of the oscillation visible on the current.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[File:CanSat_power_consumption.PNG|center]]</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td></tr>
</table>Oliver.gublerhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1616&oldid=prevFrancois.corthay: /* InterConnect Boards */2016-01-07T16:00:29Z<p><span class="autocomment">InterConnect Boards</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each of the slave boards connects to the FPGA board through 2 [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], one on each side.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each of the slave boards connects to the FPGA board through 2 [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], one on each side.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>== <del class="diffchange diffchange-inline">InterConnect </del>Boards ==</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>== <ins class="diffchange diffchange-inline">Interconnect </ins>Boards ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|<del class="diffchange diffchange-inline">InterConnect </del>boards]] share the same layout, but with the connectors mounted once on one side ans once on the other.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|<ins class="diffchange diffchange-inline">Interconnect </ins>boards]] share the same layout, but with the connectors mounted once on one side ans once on the other.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1613&oldid=prevFrancois.corthay: /* InterConnect Boards */2016-01-07T12:21:23Z<p><span class="autocomment">InterConnect Boards</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted once on one side ans once on the other.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted once on one side ans once on the other.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[File:Cansat-Interconnect.svg|center|750 px]]</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Geometry =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Geometry =</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1609&oldid=prevFrancois.corthay: /* Demonstrator */2016-01-07T12:05:59Z<p><span class="autocomment">Demonstrator</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The CanSat has the form of a soda can with a diameter of 66 mm and a height of 115 mm. The weight is limited to 350 g.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>= <del class="diffchange diffchange-inline">Demonstrator </del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= <ins class="diffchange diffchange-inline">PCBs </ins>=</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">This is a demonstrator of the </del>CanSat for <del class="diffchange diffchange-inline">use in </del>the HES-SO MSE [[HiRel|HiRel]] module.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">[[File:CanSat_FPGA_XBEE_Gumstix_vertical.jpg|thumb|100px|[[HiRel/</ins>CanSat<ins class="diffchange diffchange-inline">|HEI CanSat]]]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">The CanSat demonstrator </ins>for the HES-SO MSE [[HiRel|HiRel]] module <ins class="diffchange diffchange-inline">is made out of 5 vertical boards held together by a bottom and a top interconnect ring</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Vertical Boards ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Vertical Boards ==</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1608&oldid=prevFrancois.corthay: /* Geometry */2016-01-07T12:00:47Z<p><span class="autocomment">Geometry</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">=</del>= Geometry <del class="diffchange diffchange-inline">=</del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Geometry =</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The question is, how to get as much PCB real-estate out of such a limited and unusual satellite form-factor.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The question is, how to get as much PCB real-estate out of such a limited and unusual satellite form-factor.</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1442&oldid=prevFrancois.corthay: /* Demonstrator */2015-06-19T07:05:17Z<p><span class="autocomment">Demonstrator</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This is a demonstrator of the CanSat for use in the HES-SO MSE [[HiRel|HiRel]] module.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This is a demonstrator of the CanSat for use in the HES-SO MSE [[HiRel|HiRel]] module.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">== Layout ==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">The first big question to solve is, how to get as much PCB real-estate out of such a limited and unusual satellite form-factor.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">We decided to go for a vertical solution with 5 PCBs. </del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">Furthermore we like to have all PCBs of the same size.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">This means that the they will be aligned along the central axis in the form of a star or a pentagon.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">To find the optimal solution we investigated all the possibilities in between these two geometrical figures.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">[[File:Pcb 5 angles.svg|center]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">The biggest PCB board surface is attained at an offset of 18° from the pentagon.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">TBD: insert image with curve</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">These boards will be hold in place and connected together with two round boards, one on top and one on the bottom. </del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">TBD: insert 3D image/photo</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">Standard 2x6 pin connectors compatible to the [http://en.wikipedia.org/wiki/Pmod_Interface Pmod™] serve as electronic as well as mechanical connection.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Vertical Boards ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Vertical Boards ==</div></td></tr>
<tr><td colspan="2" class="diff-lineno">Line 36:</td>
<td colspan="2" class="diff-lineno">Line 16:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># a [[HiRel/CanSat/Slave_Gumstix|microprocessor]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># a [[HiRel/CanSat/Slave_Gumstix|microprocessor]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># a [[HiRel/CanSat/Slave_Power|power converter]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># a [[HiRel/CanSat/Slave_Power|power converter]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Standard 2x6 pin connectors compatible to the [http://en.wikipedia.org/wiki/Pmod_Interface Pmod™] specification serve as electronic as well as mechanical connection to the interconnect boards.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The FPGA board serves as master (or as a router) and therefore connects to all other boards through 4 double [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], two on the bottom side and two on the top side.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The FPGA board serves as master (or as a router) and therefore connects to all other boards through 4 double [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], two on the bottom side and two on the top side.</div></td></tr>
<tr><td colspan="2" class="diff-lineno">Line 42:</td>
<td colspan="2" class="diff-lineno">Line 24:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== InterConnect Boards ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== InterConnect Boards ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted on <del class="diffchange diffchange-inline">the inverse </del>side.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted <ins class="diffchange diffchange-inline">once </ins>on <ins class="diffchange diffchange-inline">one </ins>side <ins class="diffchange diffchange-inline">ans once on the other</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">== Geometry ==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The question is, how to get as much PCB real-estate out of such a limited and unusual satellite form-factor.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">We decided to go for a vertical solution with 5 PCBs. </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Furthermore we like to have all PCBs of the same size.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">This means that the they will be aligned along the central axis in the form of a star or a pentagon.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">To find the optimal solution we investigated all the possibilities in between these two geometrical figures.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[File:Pcb 5 angles.svg|center]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The biggest PCB board surface is attained at a tilt of 18° from the base pentagon.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[File:Pcb surface 5.svg|300 px|center]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">These boards are held in place and connected together with two round boards, one on the top and one on the bottom. </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[File:Cansat.jpg|300 px|center]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td></tr>
</table>Francois.corthayhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1109&oldid=prevOliver.gubler: /* Interconnect Boards */2015-01-23T17:20:51Z<p><span class="autocomment">Interconnect Boards</span></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr valign='top'>
<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 17:20, 23 January 2015</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 40:</td>
<td colspan="2" class="diff-lineno">Line 40:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each of the slave boards connects to the FPGA board through 2 [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], one on each side.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each of the slave boards connects to the FPGA board through 2 [http://en.wikipedia.org/wiki/Pmod_Interface Pmods], one on each side.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>== <del class="diffchange diffchange-inline">Interconnect </del>Boards ==</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>== <ins class="diffchange diffchange-inline">InterConnect </ins>Boards ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted on the inverse side.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/InterConnect|InterConnect boards]] share the same layout, but with the connectors mounted on the inverse side.</div></td></tr>
</table>Oliver.gublerhttps://wiki.hevs.ch/fsi/index.php5?title=HiRel/CanSat&diff=1108&oldid=prevOliver.gubler: /* Interconnect Boards */2015-01-23T17:20:39Z<p><span class="autocomment">Interconnect Boards</span></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr valign='top'>
<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 17:20, 23 January 2015</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 42:</td>
<td colspan="2" class="diff-lineno">Line 42:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Interconnect Boards ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Interconnect Boards ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/<del class="diffchange diffchange-inline">Interconnect</del>|<del class="diffchange diffchange-inline">interconnect </del>boards]] share the same layout, but with the connectors mounted on the inverse side.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Both [[HiRel/CanSat/<ins class="diffchange diffchange-inline">InterConnect</ins>|<ins class="diffchange diffchange-inline">InterConnect </ins>boards]] share the same layout, but with the connectors mounted on the inverse side.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each one of the four 6 pin connectors on the master board connect to exactly one slave board.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Master]] [[Category:HiRel]] [[Category:CanSat]]</div></td></tr>
</table>Oliver.gubler