Connecting PIR Sensor to SK40C and Siemens TC35 GSM

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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby Ameen » Sun Feb 24, 2013 2:48 am

i also try connect the GSM to laptop using the RS232 USB converter..
but the result still the same..what might be the problem?? any sugggestion?
the GSM blinking as it working FYI.
2013-02-24 03.04.12.jpg
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby shahrul » Sun Feb 24, 2013 9:28 am

USB-to-UART need a driver to be install. Download driver from the product page here.
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby Ameen » Sun Feb 24, 2013 12:39 pm

Thank you shahrul...finally manage to send&call using the modem..later i will upload the result and step that i done to help others who still have problem..later also i need to combine using PIC also..and trigger the GSM
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby chingfa » Wed Jan 22, 2014 3:26 pm

Good Day,

I'm newbie anyone can help me about programming :( :(
How to define the below code? What is the meaning of str??

uart_putstr("ATD0174366043;\r");
lcd_putstr(" CALLING");
uart_transmit("/r");

Thank you
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby ober » Thu Jan 23, 2014 9:18 am

chingfa WROTE:I'm newbie anyone can help me about programming :( :(
How to define the below code? What is the meaning of str??

uart_putstr("ATD0174366043;\r");
lcd_putstr(" CALLING");
uart_transmit("/r");

What do you mean by define? Or you want to know the function's task?

str is short for String, we normally name that function with short form and string is array of character being terminated by null character.
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby chingfa » Sat Jan 25, 2014 2:22 pm

Hi Ober,

I try learn how to use the GSM from the tutorial.. After i run the coding for calling it got some error about there.
Undefined identifier for lcd_putstr
Undefined identifier uart_transmit
Undefined identifier uart_putstr

Thank you
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Re: Connecting PIR Sensor to SK40C and Siemens TC35 GSM

Postby ober » Sun Jan 26, 2014 6:47 am

Can you share the print screen of your IDE? What is the software and compiler you use?
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