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Recent content by areeckal

  1. A

    How to send an sms from mobile phone to pic?

    ya. Now Iam trying an alternative. To receive sms via pc and then transmit it to the controller.
  2. A

    How to send an sms from mobile phone to pic?

    ok.thanks. I found that its not possible to receive sms in a pic without using modems.
  3. A

    How to send an sms from mobile phone to pic?

    Using a modem will be costly for me. Is there any way without using modem to communicate with a phone?
  4. A

    How to send an sms from mobile phone to pic?

    My project is: 1. A motor is interfaced to a pic 18F. 2. The user must be able to send an sms in order to on/off the motor. How can I do this? I am just starting in this area. And I would appreciate your valuable suggestions and resources. :smile:
  5. A

    RF transmitter problem

    I did some code in mplab using hitech compiler for RF transmission. When i am simulating in mplab i am getting correct output in uart I/O tab. But iam not obtaining any value in the portC ie, TX pin. I tried simulating in proteus by connecting an led to the RC. But nothing is coming. Is there...
  6. A

    TX pin not showing any data

    But how exactly can I test RF communication in proteus. There is no component available.
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    How to frame a packet in RF transmission?

    Actually, Iam using USART for presenting the data serially to the tx pin. In the USART header, a function USARTWriteByte(char ch) is used to write to the TXREG function definition is: USARTWriteByte(char ch) { while(!TXIF); TXREG=ch; }
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    TX pin not showing any data

    I am writing a transmitter code for pic 18F. I am able to get value in TXREG in mplab. But PORTC [tx pin is C6] is not showing any value in mplab. Why is it so?
  9. A

    How to frame a packet in RF transmission?

    RF device hasn't have any documentation. I got to know while RF transmission i need to have error detection mechanism. If i am storing it as a character, how can i assign binary numbers to each byte? Say for eg. i need synchronization byte=10101010
  10. A

    How to frame a packet in RF transmission?

    I am using a RF transmitter- receiver module. I am connecting my transmitter to the tx pin of pic 18F and receiver to the rx pin of another pic 18F.
  11. A

    Incorrect output for RF Transmitter code for pic

    Hi, I am posting my RF transmitter code: #include <htc.h> #include "usart.h" //Chip Settings __CONFIG(1,0x0200); __CONFIG(2,0X1E1F); __CONFIG(3,0X8100); __CONFIG(4,0X00C1); __CONFIG(5,0XC00F); void main() { unsigned int data,addr,synchro; //Initialize the USART USARTInit(); //TRISC=0xC0...
  12. A

    How to frame a packet in RF transmission?

    I need to set up Rf communication from a pic 18F to another pic 18F. The data i need to send is a synchronization byte, address byte, data and checksum. My doubt is how should i frame a packet. Should i load the above format using 8 bits and load TXREG one time or should i send each as a byte...
  13. A

    RF communication using PIC 18F4520

    RF communication I need to set up RF communication from a pic 18F4520 to another pic 18f4520.
  14. A

    How to simulate RF communication between pic 18F?

    Is there any way to simulate the RF communication? Is there any RF modules available in proteus?
  15. A

    One way RF communication between pic 16f877a.

    I have written a simple code for transmitter and receiver.. Will this work fine? Transmitter: #include <htc.h> #include "usart.h" //Chip Settings __CONFIG(1,0x0200); __CONFIG(2,0X1E1F); __CONFIG(3,0X8100); __CONFIG(4,0X00C1); __CONFIG(5,0XC00F); void main() { unsigned int data; //Initialize...
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