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gsmand3Gshieldstutorial::cuGSM&du3GhowtostarttutorialbyDRAGOSIOSUB
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cuGSMSHIELDPOWERING,SERIALandCONTROL
INTERFACE
Int heleftedgeofthetopPCBside,bottomtot op:
1.RX(TXD)GSMSHIELDSERIALRX(TXD)input
2.TX(RXD)GSMSHIELDSERIALTX(RXD)output
3.RESETGSMSHIELDRESETin put,activeLOW*
4.ON/OFFGSMSHIELDPOWERON/OFFinpu t,a ct iveLOW*
5.VusbPOW ERPINoutput+5V(USB+5V)
6.VinPOWERPINinput+5VforLiPolchargeronly
7.VccPOWERPINinput/output+4V**
8.GNDPOWERandDIGITALGROUND
9.RIGSMSHIELDRINGINDICATORoutput
10.STATUSGSMSHIELDSTATUSout put
11.RTSGSMSHIELDREADYTOSENDoutput
12.CTSCLEARTOSENDinput
*min.200msec.pulse
3GUMTSSHIELDPOWERING,SERIALandCONTROL
INTERFACE
Int heleftedgeofthetopPCBside,bottomtot op:1.RX(TXD)
3GSHIELDSERIALRX(TXD)input
2.TX(RXD)3GSHIELDSERIALTX(RXD)output
3.RESET3GSHIELDRESETinput,activeHIGH*
4.POWE RON 3 GSHIELDPOWERONinput,a ct iveHIGH*
5.VusbPOW ERPINoutput+5V(USB+5V)
6.VinPOWERPINinput+5VforLiPolchargeronly
7.VccPOWERPINinput/output+4V**
8.GNDPOWERandDIGITALGROUND
9.RI3GSHIELDRINGINDICATORoutput
10.STATUS3GSHIELDSTATUSou tput
11.RTS3GSHIELDREADYTOSENDoutput
12.CTSCLEARTOSENDinput
13.SLPSLEAPinput,activeHIGH
*min.200msec.pulse
gsmand3Gshieldstutorial::cuGSM&du3Ghowtostarttutorial
Pin topinco mpatible,compactandlightweightmodulesandhavingembeddedUSBports,cu GSManddu3Gshields(micro)areourlatest
GSM/3GUMTSshieldscompatiblewithArduino,RaspeberryPI,RaspberryPIorwithanyother2 .85Vmicrocontrollerboard.
Next,youwilllearnhowtostartusingthem.

Whatyouwillneed
cuGSMshield(micro)v1.131pcs.
or
du3Gshield(micro)v1.131pcs.
GSM(2G)SIMcard,forcuGSMor3GSIMcard ,fordu3G1pcs
SMAGSM/3GantennaanduFLtoSMApigtail(onlyforuFLversions)
JSTTH2pinconnectorand(200mAh>2000mAh)LiPOLbattery(onlyifyouintendtousetheshieldinLiPOLbatteryconfiguration)
0.1 "(2.54mm)standardpinheaders(13xfordu3G/12xforcuGSM)
0.1 "(2.54mm)standardjumper(1pcs.)
USBcablesandconnectionwires
solderingtool,solderwire,clip/pinch

Generalconsiderations,conventionsandreferences
Hardwarereferences
GSMSHIELD(micro)cuGSMv1.13topPCBview 3GSHIELD(micro)du3Gv1.13topPCBview

Theon lyhardwaredifference
on"POWERING,SERIALandCONTROLINTERFACE",betweencuGSManddu3G,isthatSLPSLEEPpinonc
u GSMitisnotimplemented/present(donotconnectthis).Differencesbetw eenSTART/STOPandRE SETlogicalproceduresarefixedin
ArduinoCandRaspberryPIPythonsoftware(seeexamples).Justignorethem
.
Asgeneralapproach,youCANreplacecuGSMwithdu3Gandinreversemodeassimpleas:sw itchtheoneboardwithanoth er(with
respecttothecorresponden tpins)andrecompile/runthecodeusingappropriat elibraries/functions.
GSMSHIELD(micro)cuGSMv1.13bottomPCBview 3GSHIELD(micro)du3Gv1.13bottomPCBview
   