APM2.52.62.8OpticalFlowSensorOpticalFlowV10NoGPSPointDescription:ItemName:OpticalFlowV10Material:MetalFeatures:Toimprovetheprecisionwhenyoucan'tuseGPS,APM:CopternowsupportopticalFlowV1.0basedonmousesensor.KnownIssues:SensorcanonlyworkundergoodlightingconditionUsingfixedfoucuslens,soitcannotfocuslensofobjectsthatwithin30cmRotatesensorwillmakesensorindisorderConnectingsensortoAPM2.5,APM2.52,APM2.6,APM2.8allcanbeusedAsshownbelow,connectVCC,GND,MISO,MOSI,SCLKandNCSpinsThedefaultinstallationisshotdown,pinforwardPowerOffthebackoftheboardMISOLVLjumper,re-weldingworksoMISOpinat3.3v.ThisisveryimportanttoensurethattheopticalflowsensordoesnotinterfereMPU6000.Testingsensor:UpdatetestingsketchtoAPM:IfyouuseAPM2,youcandownloadhexfilesatdownloadzone,thenuseMissionPlanner'soriginalsetting>InstallFirmware>LoadcustomfirmwareconnectionstoyourAPM2IfyouuseAPM1,youneedtoopenArduinoIDEandloadingAP_OpticalFlow_test.pde,andupdateittoyourAPM1UsingserialportmonitororAPMissionPlannerterminaltoconnectwithAPMInput'c',tomakesuresthesensorwillrespondAPMInput'm&apos,startthefrontorbackcamera,checkthechangesofXYvalue.Iftherisnochange,rotatethelenstoadjustfocaldistance&lt;img src="http://ti2.auctiva.com/web/aswCredit.gif" border="0"&gt;&lt;br&gt;&lt;a href="http://www.auctiva.com/?how=scLnk1" target="_blank"&gt;&lt;img src="http://ti2.auctiva.com/images/sc1line1.gif" border="0"&gt;&lt;/a&gt; <div style="text-align:center"><img src="http://ti2.auctiva.com/sw/java.gif" border="0"><br><table align="center"><tr><td><a style="text-decoration:none" href="http://emporium.auctiva.com/evrika33" target="_blank"><img src="http://ti2.auctiva.com/sw/images.gif" border="0"></a></td><td height="27px" valign="middle" align="center"><font face="arial" size="2"><b><a href="http://emporium.auctiva.com/evrika33" target="_blank">evrika33</a> Store</b></font></td></tr></table></div> <div style="text-align:center"><a style="text-decoration:none" href="http://mostpopular.sellathon.com/?id=AC1311733"><img src="http://www.sellathon.com/Resources/Images/countercredit.gif" border="0"></a></div>