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© MCS Electronics , 1995-2008

Summary of Contents for BASCOM-AVR EM4095 RFID Reader

Page 1: ...MCS Electronics 1995 2008...

Page 2: ...make it public as I found no other tool that was so simple to use Since that time a lot of options and extensions were added Without the help and patience of the many users BASCOM would not be what it...

Page 3: ...use of information contained in this document or from the use of programs and source code that may accompany it In no event shall the publisher and the author be liable for any loss of profit or any o...

Page 4: ...BASCOM AVR 4 2008 MCS Electronics Table of Contents Foreword 0 Part I EM4095 RFID Reader 6 Index 0...

Page 5: ...Part I...

Page 6: ...put voltage The DEMOD output of the EM4095 is connected to the microprocessor and the pin is used in input mode The MOD and SHD pins are connected to micro pins that are used in output mode The micro...

Page 7: ...100uF 16V CRES1 CRES CDV2 1nF 102 CDV1 47pF CDC2 CFCAP 10nF 103 C11 C12 C13 C14 1uF 16V RSER 68 R4 R6 10K R5 470 R8 47 R3 47K R9 1K 10K pot IC1 7805 IC2 EM4095 IC3 ATMEGA88 IC4 MAX232 20 pin IC feet 1...

Page 8: ...raid so it will heat up Then after some seconds add some solder which will get sucked into the braid This will in turn suck the other solder into the braid While it does not seem logical to add solder...

Page 9: ...tcut Connect the antenna to connector X2 The PCB is now ready for use When you have the LCD display connect it to the LCD header and adjust the variable resistor R9 so you can see square blocks Since...

Page 10: ...tag to be able to add remove tags Security To make the code more secure you could add a delay so that a valid tag must be received twice so after the valid TAG wait 1 second and then start a new meas...

Page 11: ...095 is much simpler to use than the HTRC110 It need less pins A reference design with all parts is available from MCS regfile M88def dat baud 19200 crystal 8000000 hwstack 40 swstack 40 framesize 40 D...

Page 12: ...EM4095 sample you could use the PCINT option too but you must mask all pins out so it will only Pcmsk2 B0000_0100 On Pcint2 Checkints Enable Pcint2 On Int1 Checkints Nosave we use the INT1 pin al Conf...

Page 13: ...t yet If Btags 20 Then will it fit Incr Btags add one Etagcount Btags Idx Btags 5 offset Idx Idx 4 Lowerline For J 1 To 5 Lcd Hex tags j Stags idx Tags j Etags idx Tags j Incr Idx Next Cls Lcd TAG sto...

Page 14: ...idx B tel Then if they do not match Exit For exit and try next End If Next If Tel 5 Then if we did found 5 matc Print We have one Havetag K set index Exit Function End If Next Havetag 0 assume we hav...

Page 15: ...MCS Electronics 1995 2008 Making BASIC Easy www mcselec com...

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