Microcontroller › 8051 › reading contacts from sim300 GSM module
- This topic has 5 replies, 6 voices, and was last updated 10 years, 6 months ago by Cleo.
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January 14, 2014 at 3:48 pm #2810Ehsaan ullahParticipant
i need help regarding reading contacts from sim300 GSM module using 8051 microcontroler and sending back a sms to all those contacts using Microcontroler can ony one help me to write code for this i am new to MicroControler programing
i will be really thankful for help…
regards Ehsaan
January 15, 2014 at 3:57 am #10844AJISH ALFREDParticipantHi,
You can make a sim card reader
http://www.nutsvolts.com/index.php?/blog/post/build_a_sim_card_reader
January 16, 2014 at 2:18 am #10860ChangParticipantAs we know for different people they use different kinds of mobile phone signals. Just as the people around you like your friends, your colleagues, your family members and so on, they may use the different mobile phone signals as now there are various mobile phone signals from different companies and of which the frequency bands are also different such as the CDMA, GSM, DCS, PCS, 3G, 4G LTE and 4G Wimax. So in different conditions and circumstances people are in need of the mobile phone jammers that of different frequency bands. But if people are in great need of a cdma jammer via which they can decide the jamming frequency bands what kind of device should they choose? Of course, the adjustable cell phone jammer is the best for them in such condition.
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May 21, 2014 at 4:10 am #11751SHAH DISHANT H.Participanthi,
You need to interface GSM with 8051 using UART.
Read the list of AT Commands to be sent for contacts. In response you will get the phonbook details. You need to store that details in array.
To send message, you need to send three things.
1. AT Command
2. hone number stored in array
3. Message
In this way, you can send message to all…!!!
All the best..!!!
June 12, 2014 at 5:43 am #11816CleoParticipantStill feel annoying when being disturbed cell phone calls? Don’t want this bad thing to happen again and again in your life and work? Ok, do not be anxious, the cellphone blocker can be your first and best selection. And if you want to know more about this kind of device, you can gain the useful information you want.
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