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projects on gsm modules
I have done a project on this MCU is different but process and logic can be same . For this you need to have a gsm modem/mobile which support AT command . In terms of hardware it should have TTL/RS232 port for serial communication . You can learn AT commands by...
I also have similar work in hand where i have to put auxillary relay arrangement alongwith three phase starters for motors ranging from 5 to 20 HP . Most of the starters are DOL . This auxillary relay arrangement is for automation purpose . Intelligent circuitary will issue control signals to...
+cpin: not inserted
I am having two sim300 module based modems loaded with two GPRS activated SIM from AIRTEL (indian cellular service provider) . Both these modems are connected to hyperterminal and responding to AT commands well . We have already exchanged SMS voice ,call through these modems...
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