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Camera controller
I want to know is it feasible or not as it would a distinctive feature to my gsm car alarm project.
I think i would use SD memory card module so what ?
any ideas
I making gsm car alarm system and i want to make a feature in my project that i can take a picture for the thief inside my car via cmos camera placed in a secret invisible place in the car and stores the image in its memory.
I am using Atmel atmega 8515 microcontroller and i want to control the...
The RI pin9 is floating and useless so what should i do instead , i have an idea to check "R I N G " characters sent by the mobile is this right
thanx for ur help
car window closer schematic
I am making GSM car alarm system, one of the features is controlling power window of the car from the microcontroller, how this can be done ? the microcontroller should control the switch panel of the windows or the dc motor itself ? and how it can be done using uC...
Hi, Concerning the AT commands u must use a cell phone that support them and i recommend u siemens phone as u can communicate with their modems easily.
Download and AT commands set and there are a set of commands that deal with sms service.
Of course you can use the pc or laptop for...
I am doing my project in GSM car alarm and i need to activate the system by a phone call from the car owner.
I found Pin 9 RI in the serial port is ring indicator it may be very useful for my idea but i am using Siemens SL55 and i found that this pin 9 is useless as it gives no signal when i...
Re: GSM Car alarm system
I am using GSM phone Siemens SL55 and microcontroller ATmega8515, mainly my project is based on many AT commands, so how can i activate the system by a gsm call when the car owner forgat to switch ON the Car alarm as other other available products
Ex:
I am doing my grad. project on GSM car alarm, i wonder how can i activate the system or put it in the arm mode by a telephone call from the car owner, is this will be hardware or software technique ???
Thanx in advance
mobile without battery
Could i power the mobile phone without battery , only using 5Vdc supply ?
if it's possible how i connect to the mobile power pins, i know that there are 3 pins 2 of them 0 and 3.3V from battery but the 3rd ???
I wanted to simulate the keystrokes of the siemens mobile using AT command " AT+CKPD" i have siemens mobiles s35, c35, c45 & SL45 all of them returns error when i request the command it seems it's not supported for them.
What could i do i want to simulate the keystrokes and couldn't find a way...
I need some help in how to select a service from SIM card e.g: Paybill , Recharge ,... is it possible that AT commands can access the SIM card and activate the service
Also , I want to know how can i use " Provide Local Information " command from AT command and if there are any restrictions...
Here is the code, if u could check it, knowing ATmega 8515 and the simulation shows that everything is ok and each character is sent
.include "m8515def.inc"
.def Arg1 =r16
.def Arg2 =r17
.def DataReg =r18 ;UART and EEPROM data register
.def any_reg2 =r19
.def temp =r20
.def temp1 =r21
.def...
I tried the cross connection as i took TX out MAX to the RX pin(2) of the male DB9 connector of PC on com1 and viceversa for RX and pin(5) of com1 connector connected to ct GND and watched ;
1- Hyperterminal : Nothing appeard ( I used same baud rate 19200bps)
2- Docklight : a sequence of NULL...
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