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I am trying to write a C language program where I can receive a 5 bits signal ( 1 enable and 4 input bits from keypad encoder ). Due to my weak foundation in C language, I'm unable to complete the program and would appreciate any kind of help. My basic idea was to convert the code I get and...
**broken link removed**
As you can see, my JP1( Keypad ) is connect to P.1 of my IC. However, the 5 inputs are used to get the signals from the 4 x 4 keypad. Out of the 5 inputs, 1 input is connected to another IC which will send me a high or low signal, high when keypad is in use, low when it...
I am trying to write a program that uses C programming to send sms through a GSM modem. I am confused about the initialization of the micro-controller. (C8051F330)
This is the code I found online **broken link removed**
and this is the modem I'm using...
The Modem model I'm using is WAVECOM Q2403A. https://rainbow.com.ua/upload/files/modemi/Q2403_Spec.pdf .This is the datasheet of the Modem.
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I'm using Silicon Laboratories IDE C compiler. (?ASlink-Warning-Undefined Global '_putchar' referenced by module 'puts') This is the...
I am making a project which will use the SILICON LABORATORIES IDE to program C8051F330 to send a sms to a number through a GSM modem. The program will send instructions through MAX232 so that the GSM modem(serial port RS232) is able to understand the program. When I press a button( in the...
I am currently trying to build a SMS system for my project. I wish to know how will I be able to replace a GSM modem with a phone( Currently still searching for some old phones ).Also, how will I be able to send a SMS through that phone, using FPGA. I do not have experience in the field of work...
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