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MCS ELECTRONICS BASCOM-AVR EM4095 RFID Reader User Manual

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© MCS Electronics , 1995-2008

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Summary of Contents for MCS ELECTRONICS BASCOM-AVR EM4095 RFID Reader

  • Page 1 © MCS Electronics , 1995-2008...
  • Page 2 BASCOM would not be what it is today : "the best and most affordable tool for fast proto typing". We hope that BASCOM will contribute in making your work with microprocessors Easy and enjoyable. The MCS Electronics Team...
  • Page 3 BASCOM-AVR © 2008 MCS Electronics All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher.
  • Page 4 BASCOM-AVR Table of Contents Foreword Part I EM4095 RFID Reader Index © 2008 MCS Electronics...
  • Page 5 Part...
  • Page 6 MCS Boot loader. That is why pin 4 of X6 (DTR) is connected via IC4(pin 8-9) to the reset pin of the micro(pin 1). Further there is a standard 10-pins ISP programmer connector for the USB-ISP or STK200, and an LCD connector for an optional LCD display. © 2008 MCS Electronics...
  • Page 7 CDC2,CFCAP 10nF(103) C11,C12,C13,C14 1uF/16V RSER R4,R6 1K-10K pot 7805 EM4095 ATMEGA88 MAX232 20 pin IC feet, 16 pin IC feet X1,X2 2-pin header 16 pin boxed header 3-pin header 10-pin boxed header DB-9 female connector BC547 © 2008 MCS Electronics...

  • Page 8: Operation

    · X1,X2 (2 pins screw connectors) · X4 (3 pin screw connector) · C1 (470 uF/25V) · 4 rubber feet Operation Now the PCB is ready. Make sure there are no solder drops on the PCB. You can © 2008 MCS Electronics...
  • Page 9 Loader programmer. Connect a serial cable to X6 and press F4 to program. You need a normal straight cable. When you did not used the MCS Bootloader before, check the COM port settings and make sure the BAUD is set to 38400 as in the following screenshot: © 2008 MCS Electronics...
  • Page 10 When you open your door with this device, make sure you have a backup option like a key in case there is no power. Also, when the door is opened by a magnetic door opener, make sure it has the right quality for the entrance you want to protect. © 2008 MCS Electronics...
  • Page 11 EM4095 RFID Reader AN Code '------------------------------------------------------------------------------- (c) 1995-2008 MCS Electronics This sample will read a HITAG chip based on the EM4095 chip Consult EM4102 and EM4095 datasheets for more info '------------------------------------------------------------------------------- The EM4095 was implemented after an idea of Gerhard Günzel Gerhard provided the hardware and did research at the coil and capacitors.
  • Page 12 ' just for debug Tmp1 Tmp2 Print Hex(stags(idx)) ; ","; Next Print Next End If Print "Check..." Upperline Time$ " Detect" Readhitag(tags(1)) = Then 'this will enable INT1 Lowerline Print Hex(tags(j)) ; ","; Hex(tags(j)) ; "," © 2008 MCS Electronics...
  • Page 13 'check to see if a tag is stored already 'return 0 if not stored 'return value 1-20 if stored Function As Byte As Byte Havetag(b Print "Check if we have TAG : "; Print Hex(b(k)) ; "," Next Tmp2 'end addres Tmp1 Tmp2 'start © 2008 MCS Electronics...
  • Page 14 Next Then 'if we did found 5 matc Print "We have one" Havetag 'set index Exit Function End If Next Havetag 'assume we have nothing End Function Checkints: Call _checkhitag 'in case you have used Return © 2008 MCS Electronics...
  • Page 15 © MCS Electronics 1995-2008 www.mcselec.com Making BASIC Easy...