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Hey hi "GSM Man" im back......!
Is there any method to "subscribe to the SIM of GSM module" ...I mean if type a message like "SUBSCRIBE_SIM300" from my mobile phone(with a mobile number 9898989898) and send it to the GSM Module SIM number ,then from next time ,this module should be able send...
Ok Fine ,Thanks for ur reply .......
This is the circuit ,in which i have seen the use of ISD Diodes first.Anyhow i am not using this circuit in my project but wanted to know about it ..?
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And one more thing ,Is there any other Low cost Voice recoeding and Playback IC apart from...
Oops...! u mean Terminal Swamping ... ok i will make it correct ,any how thanks for pointing it out ..!
Regarding ISD Diodes ,i wanna know whether its a single device or a combination of a Zener and a Diode ..?
As i have seen it in a interfacing circuit of Microphone and SIM300 Controller , in...
Thanks for ur kind and favorable reply ...........
But in my application i am using SIM300,
1Q)So for SIM300 which interfacing will be suitable ....?
2Q)Can i use SIM900 Interfacing circuit for SIM300 ,Does it Support ?
3Q)Moreover Der are three interfacing circuits shown in SIM900 Document...
Thanks for Ur reply
I want to conform, the way i have interfaced the SIM300,8051 & APR9600IC(In Random Access Mode) shown in the image is correct or not . If its Ok Then i want to know the coding logic further
Waiting for your reply ....
Nice to see Ur reply ..!
Instead of "Audio Player" can i use "APR9600 Voice recording/playback IC" to play my message ..... I mean like we will store a predefine audio message and playing it on answering a voice call.
I have referred few circuits related to Interfacing of 8051 with APR9600...
Hi Guys good to be here ,i need ur lil help .
I am using GSM SIM300 Controller, i want to send Voice Message from this SIM300 to the Mobile Phone .Can any one help me . Which commands are used to perform this and how to add Audio message into the coding ......?
Waiting for ur replys...
By using GSM SIM 300M and Atmega8 , i am facing a problem in sending SMS to a Persons on making any one of the port pin gets high (Ex:PB0=1)
"Requirement" is just to send the SMS to 1 persons , when PB0 pin gets high.For an instance its directly given from the Vcc=5V as pulse for certain...
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