LattePanda DFR0418 User manual

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 1/58
CONTENTS
GettingStartedwithLattePanda
PoweronyourLattePanda
Connectwithyourperipheraldevice
ConnecttoWi-Fi
Connectwith7“DisplayandTouchPanelOverlay
Software&OperatingSystems
HowtosetupaVNCserverontheLattePandausingTightVNC
Hardware&Accessories
InputsandOutputs
HowtoaccesspinoutsfromVisualStudio
ProjectExamples
Node-RED
TurnaLattePandaintoa3DPrintServerUsingOctoprint
FaceDetectionusingOpenCV
Troubleshooting&FAQs
HowdoIknowLattePandaison?
HowdoIre-installLattePandaWindowssystem?
WhatBootMethodDoesLattePandaUse?
CommonAdaptersandUSBcablerecommendations
GETTING STARTED
Power on your LattePanda
TheLattePandaispoweredthroughthemicroUSBport.AnystandardUSBadapter(suchasacellphonewallcharger)with
atleast2AofcurrentcanbeusedasapowersupplyfortheLattePanda.Apoweradapterwillnotbebundledwiththe
board,butyoumaygetonefromouronlinestoreoranyelectronicsretailer.
Note:CheckyourpoweradapterandUSBcableconnectionbeforeuse.Insufficientorunstablecurrentmaypreventyour
LattePandafrominitializing.
Here’sourlistofrecommendedpoweradaptersandcables
WhenyouhaveanadapterandmicroUSBcableready,followtheinstructionsbelowtogetstartedwithyourLattePanda.
1.PlugtheUSBintotheUSBpoweradapter,andthemicroUSBintothemicroUSBportoftheLattePanda(ThemicroUSB
portislocatednexttotheSDcardsocket).
IfyouneedIPSdisplayandtouchpanel,pleaseplugitfirst
Welcome

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 2/58
2.Whenpluggedin,youshouldseetheredLEDindicatorlightsupontheundersideoftheboard.Thismeansthatthe
LattePandaisinitializing.WaitpatientlyforafewsecondsuntiltheLEDgoesout.
3.WhentheLEDturnsoff,pressandholdthepowerbuttonforonesecondtoturntheLattePandaon.Youshouldseethe
LEDlightsupagain

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 3/58
Connect with your peripheral device
LattePandaiscompatiblewithawiderangeofperipheraldevices.
YoumayconnectanyUSBsupporteddevices,suchflashdrives,mouseandkeyboard,orawebcamtoUSB3.0and2.0ports.
TheSDcardsocketsupportsextrastoragefromaminiSDcard.YoumayalsoconnecttheLattePandatoanexternal
speakerdevicethroughits3.5mmaudiojack.
TheLattePanda’sArduinocompatibleco-processorwithplugandplayheadersandGPIOpinssupportsstandard5V
sensorsandactuatorsthatenableittointeractwiththephysicalworld.

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 4/58
Connect to Wi-Fi
1.InstalltheWi-Fiantennabypluggingtheroundshapedendintothesocketlabelled“ANT”locatednexttotheGPIOpins
ontheboard.
2.InWindowsselectaWi-FiconnectionbyclickingtheWi-Fiiconinthesystemtrayatthebottomrightofthescreen.Follow
thewizardtosetupaconnection.
Note:AweakWi-FisignalmaypreventaWi-Ficonnectionbeingestablished.Checktheantennaisconnectedproperlyto
theboardandmakesurethataWi-Finetworkisavailable.
Connect with 7“ Display and Touch Panel Overlay

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 5/58
Note:PleaseconnectitwithLattePandaBEFOREpower-on.AndmakesuretheGoldenFingerfacetherightside.
ThecontactsonFPCaresocompactandinorder.Pleasebecarefulthatanydislocationconnectionmaycausethe
LattePandashortcircuitandtheIPSdisplayabnormallikeghostingorflicker.
1.Liftuptheactuator.Usethumborindexfingermightbeeasier.

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 6/58
2.InsertdisplayFPCin.
PlaceGoldenFingersidedown!
Note:TheFPCmustbefullyinsertedintheconnector.Ifnotfullyinserted,theactuatorwillnotcloseproperly.Shouldthis
bethecase,liftuptheactuatorandrepeattheprocess(startingwithStep1above)
3.Rotatedowntheactuatoruntilfirmlyclosed.
4.InserttheFPCoftouchpanelin
Sameasthedisplay.PlacetheGoldenFingersidedowntoo.

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 7/58
Software & Operating Systems
Setting up a VNC server on the LattePanda using TightVNC
INTRODUCTION
InthistutorialIwilldemonstratehowtoinstallaVNCserviceonyourLattePandausingWindows.Thiswillenableyouto
accesstheGUIofWindowsrunningonyourLattePandafromadifferentPConyourlocalnetwork.IwilluseTightVNC,a
freeandeasytosetupservice.
VNCstandsfor“VirtualNetworkComputing”.Itisawayoftransmittingthekeyboardandmouseeventsofonecomputer
toanother-inotherwordsusingonecomputertoremotecontrolanother.Thisisusefulbecauseyoumightnothaveextra
monitors,keyboardsormicelyingaround–usingaVNCserviceenablesyoutoaccessseveralcomputersonyourlocal
networkusingjustonecomputer,monitor,keyboardandmouse.Youmightalsohaveaheadlessserversetupwhich
doesn’trequireconstantlyattachedperipherals.SettingupaVNCserveronyourheadlessserverisahandywayto
interfacewithaGUIifandwhenyouneedit.
Let’sgetstarted:
STEP 1 - INSTALLATION
1.DownloadandinstallTightVNCforWindowsonyourLattePanda.Choose32-bitor64-bitdependingonyoursystem
architecture.
(LattePandaStandardis32-bit,LattePandaEnhancedis64-bit)

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 8/58
Download(http://www.tightvnc.com/download.php)
2.End-UserLicenceAgreement
Acceptthelicenceagreementandclicknext
3.ChooseSetupType
TypicalinstallationwillinstallbothTightVNCserverandTightVNCvieweronyourLattePanda
Custominstallationallowsyoutoselectwhichelementstoinstall.Reallyallweneedistheserver,unlessyouwouldlike

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 9/58
tobeabletoviewotherPCsonyournetworkthroughtheLattePanda,inwhichcaseyouwillneedthevieweraswell.
Forthistutorialwewilljustdothetypicalinstall.

10/26/2016 Docs|LattePanda
http://www.lattepanda.com/docs/ 10/58
4.SelectAdditionalTasks
Checkalltheboxes