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Port-Beambreak-Assembly_150539295.html
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Watson Lab Behavioral Box : Port Beambreak Assembly
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Created by <span class='author'> Pho Hale</span>, last modified by <span class='editor'> Anjesh Ghimire</span> on May 21, 2021
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<div class="sectionColumnWrapper"><div class="sectionMacro"><p class="auto-cursor-target"><strong>Modified from I.Cerda Thesis:</strong></p><p class="auto-cursor-target">To chronically track food and water consumption and preference, nose-pokes must be detected at the four water or food dispensing ports located inside the mouse cage. To that end, our system employs four Beambreak Assemblies, one at each dispensing port, comprised of an optical switch photointerruptor relying on infrared light (Mouser Electronics), a male 3-pin connector that interfaces with the female connectors of the Motor Shield Assembly, and a 220 Ω current-limiter resistor to protect the infrared LED. When the mouse introduces its nose in one of the ports fitted with the photointerruptor, the assembly generates a digital output signal that is picked up by the Motor Shield Assembly and it triggers the corresponding dispensing action as outlined in the Arduino-Motor Shield Construct section.</p><div class="sectionMacroRow"><div class="columnMacro" style="width:300px;min-width:300px;max-width:300px;"><h1 id="PortBeambreakAssembly-Name:PortBeambreakAssembly">Name: Port Beambreak Assembly</h1><p>Shortname: Port Beambreak</p><hr/><h2 id="PortBeambreakAssembly-Subcomponents:">Subcomponents:</h2><p><ul class='childpages-macro'><li><a href="Optical-Switch_150539301.html">Optical Switch</a></li><li><a href="Photo-Interrupter-Breakout-Board_150539305.html">Photo Interrupter Breakout Board</a></li></ul></p><hr/><h2 id="PortBeambreakAssembly-ConnectorsConnectors:"><span class="confluence-anchor-link" id="PortBeambreakAssembly-Connectors"></span>Connectors:</h2><div class="table-wrap"><table class="wrapped confluenceTable"><colgroup><col/><col/></colgroup><tbody><tr><th class="confluenceTh">Name</th><th class="confluenceTh">Description</th></tr><tr><td class="confluenceTd">"PWR"</td><td class="confluenceTd">Red wire, 5V Power</td></tr><tr><td class="confluenceTd">"GND"</td><td class="confluenceTd">Green wire, GND</td></tr><tr><td colspan="1" class="confluenceTd">"SIG"</td><td colspan="1" class="confluenceTd">White wire, Signal</td></tr></tbody></table></div></div><div class="columnMacro" style="width:100%;min-width:100%;max-width:100%;"><h1 id="PortBeambreakAssembly-DescriptionDescription:"><span class="confluence-anchor-link" id="PortBeambreakAssembly-Description"></span>Description:</h1><p>A complete beambreak assembly to detect nosepokes in one of the ports.</p><p>Connects to the <a href="Motorshield-Assembly_141560301.html">Motorshield Assembly</a> via the <a href="Male-3-Pin-Connector_140183582.html">Male 3-Pin Connector</a>.</p><hr/><h1 id="PortBeambreakAssembly-NotesNotes:"><span class="confluence-anchor-link" id="PortBeambreakAssembly-Notes"></span>Notes:</h1><h3 id="PortBeambreakAssembly-IRBeambreakSensorAnalogValueRanges:(TestingdoneonAugust8th,2019)"><span style="color: rgb(32,33,36);text-decoration: none;">IR Beambreak Sensor Analog Value Ranges: (Testing done on August 8th, 2019)</span></h3><p><span style="color: rgb(32,33,36);text-decoration: none;">IR LEDs Off:</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">4:28pm, 8/8/2019 Sunlight: 4.921</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">Black Side over sensor: 0.0222</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">Gold Side over sensor: 4.9218</span><br style="text-decoration: none;"/><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">IR LEDs On:</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">4:28pm, 8/8/2019 Sunlight: 4.920</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">Black Side over sensor: 4.921</span><br style="text-decoration: none;"/><span style="color: rgb(32,33,36);text-decoration: none;">Gold Side over sensor: 4.922</span></p></div></div></div></div></div>
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<div class="sectionColumnWrapper"><div class="sectionMacro"><div class="sectionMacroRow"><div class="columnMacro" style="width:100%;min-width:100%;max-width:100%;"><h1 id="PortBeambreakAssembly-ConnectionsConnections"><span class="confluence-anchor-link" id="PortBeambreakAssembly-Connections"></span>Connections</h1><p></p><div class="table-wrap"><table class="wrapped confluenceTable"><colgroup><col/><col/><col/></colgroup><tbody><tr><th class="confluenceTh">Pin</th><th class="confluenceTh"><br/></th><th class="confluenceTh">Connection</th></tr><tr><td class="confluenceTd"><div class="content-wrapper"><p> - ""</p></div></td><td class="confluenceTd"><br/></td><td class="confluenceTd"> - ""</td></tr><tr><td class="confluenceTd"><div class="content-wrapper"><p> - ""</p></div></td><td class="confluenceTd"><br/></td><td class="confluenceTd"> - ""</td></tr><tr><td class="confluenceTd"><div class="content-wrapper"><p> - ""</p></div></td><td class="confluenceTd"><br/></td><td class="confluenceTd"></td></tr></tbody></table></div></div></div></div></div></div>
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<p>Document generated by Confluence on Mar 24, 2022 11:12</p>
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