Odpověď na: Arduino GSM shlield – problem zo softwarovim zapnutim modulu
napíš aký typ gsm shiledu SIM800 SIM900 …
a typ arduina
na shielde SIM900 sa modul zapína pomocou tlačidla alebo arduina na PINE D7 alebo D9,,podľa verzie shieldu,,,
buď je prerušená plôška na DPS alebo nie,,,podľa výrobcu shieldu
hard/soft –použi prepínač=jumper
o D0: Hardware serial RX of Arduino
o D1: Hardware serial TX of Arduino
o D2: Software serial RX of Arduino
o D3: Software serial TX of Arduino
o D7: Used as Software Power ON/OFF button for SIM900
https://www.itead.cc/wiki/SIM900/SIM900A_GSM/GPRS_Minimum_System_Module
pdf na nete:
EFcom_v1.2.pdf
GSM Shield pro Arduino se SIM900.pdf
SIM800_ATCommand_.pdf
sim800_series_at_command_manual_v1.01.pdf
sim800_series_ema.pdf
sim800_series_fm_application_note_v1.00.pdf
sim800_series_ip_.pdf
sim800_series_mms.pdf
SIM800+Series_AT+Command+Manual_V1.09.pdf
SIM800+Series_Serial+Port_Application+Note_V1.01.pdf
sim800h_hardware_design_v1.00.pdf
SIM900 Quad‐Band GPRS shield with Micro SD card slot.pdf
SIM900_AT Command Manual_V1.03.pdf