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PinoutDetailsofFDR.

Aheaderof15x2isused,consistingof30pin.Theheaderconsistsof16

analoginputschannelsforthe16bitADC,fourgroundpinsfor

interfacing.TwosetofUSARTsofinterfacingwith3DMGX1,GPSand

powerpins.

Figure1

Figure2

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Decodingthepinfromtheconnectorcable.

1)Theredlineonthecableindicatesthefirstwireasshowninfigure2.2)TheredlineisthechannelzerofortheADC.Nextfifteenaretherest

oftheADCinputsinincreasingorder.

3)TwoDB9connectors: firstoneforthe3DMGX1,nextfortheGPS.4)Fourgroundslineforinterfacing.5) Thelastfourwires,firstalternatepairofwireisthebatterypositive

andnextalternatepairsofwiresarethe+5voltsoutputfromthe

board(amaxof600mAcanbedrawnforthesepinstotally)indicated

asVCC

ARROW

in

figure

1.

Thereisanothertwowireconnectorwhichhastobeengivetoabattery

voltageintherangeof6voltsto18volts.Positiveshouldbegiventobrown

wireandnegativetotheblackwireonly.

Precautionstobetakenwhileusingtheboards.

1)BeforeconnectingthebatterytheuserhastoselectthenoofADCchannelsfromthedipswitchesontheboard.Theconfigurationisin

8421patternforchannelselection(Hint:1,2,3,4ontheswitches

indicateinthepatternof1,2,4,8bitpattern).Ex:ifswitches1and2

areonthefirstthreechannelsareselected.

2)FormattheSDcardinFAT32only.Ensurethatthecardisnotinfectedwithanyviruses.(Hint:CheckinPropertiesandensurethatusedspace

isonly4KB).

3)RunDummyFileCreatorGUIandcreateafilewithanynameofyourchoiceandpastethesameintheSDCard.

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4) InserttheSDCardintotheslotprovidedontheboard.5)Connectthe3DMGX1andGPStotherespectiveDB9connectorsand

powerthemboth.

6)NowPowertheboard.

DecodingtheData:

1)CopytheFileintheSDCardtoanyfolderofyourchoiceontothePC.2)RunFDRDecoderv1.0GUIandselectthefilethroughbrowse.3)ClickonDecodeandgiveanynameofyourchoicetotheresultant

worddocument.

4)WaittilltheoperationiscompleteandDoneisdisplayedonthescreen.