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Recent content by JChandra

  1. J

    Capacitive sensing Moduele with PIC16F727

    Hi, I programmed according to Application note AN1171 and AN1103. I have copied my code below. When I am debugging this code in MPLAB Sim it is working. But when I programmed this to the hardware, it is not working. It always goes into the "Button is unpressed" condition statements. When I...
  2. J

    Capacitive sensing Moduele with PIC16F727

    Hi, I am trying to program the PIC16F727 for Capacitive touch sensors. I have read the application notes regarding CSM from Microchip. I programmed according to AN1178. But it wasn't successful. I never get into the loop for change in frequency measurement. How can I debug the code in real...
  3. J

    Need help on interfacing HID

    No not yet. Actually the device is a scanner. I have the scanner and it will communicate with the PC through its GUI software. But I want to design a device which will act as an intermediate between the scanner and PC. I hoope it will be possible. Now I am looking for materials which has...
  4. J

    Need help on interfacing HID

    Hi everyone, I want to interface an external device as a Keyboard with a PC. So that I can communicate with the PC by giving input to that device. I need help on this interfacing. Can anybody please give me some reference materials about this. Thanks in advance
  5. J

    Patch antenna design for rfid applications

    thank you for your reply. I have found some books aBOUT MICROSTRIP ---------- Post added at 11:12 ---------- Previous post was at 11:05 ---------- THANK YOU for your reply. I have found some books about microstrip antenna, but if I go for the antenna design according to that book, the antenna...
  6. J

    Patch antenna design for rfid applications

    Hi I am currently working in RFID project. I am completely new to this field. I browsed in the internet and got the basic knowledge about RFID. Now I would like to know, which software will be used to design a PCB antenna. Also it would be very nice, if anyone refer me some materials or...

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