Hello
I need to upload data to server by HTTP every 10 minute it's working more hour then SIM808L stop working after run about 8-9 hour , when i reset SIM module and reset Arduino it working again.
**Sleep mode => by set DTR pin to High and set command "AT+CSCLK=1"
**Wake up => after sleep mode 10 minute set SIM module wake up by set DTR pin to Low and set command "AT+CSCLK=0"
My componnent => Arduino nano, Lithium Ion 3.7V 2500ma, SIM808L board
SIM808 board = > https://www.itead.cc/wiki/SIM808_GSM/GPRS/GPS_Module
Could you advise me ? Now i have no idea