28140 Parallax Inc, 28140 Datasheet - Page 8

• Manufacturer Part Number: 28140
• Description: READER MODULE RFID
• Manufacturer: Parallax Inc

Specifications of 28140

• Rf Type: Read Only
• Frequency: 125kHz
• Features: Single 5V Power Supply
• Package / Case: Module
• Product: Microcontroller Accessories
• Data Bus Width: 8 bit
• Clock Speed: 125 KHz
• Interface Type: USB
• Operating Supply Voltage: 5.5 V
• Board Size: 46.99 mm x 69.22 mm x 21.84 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

' =========================================================================
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' =========================================================================
' -----[ Program Description ]---------------------------------------------
'
' Reads tags from a Parallax RFID reader and compares to known tags (stored
' in EEPROM table).
' -----[ Revision History ]------------------------------------------------
' -----[ I/O Definitions ]-------------------------------------------------
Enable
RX
Spkr
Latch
' -----[ Constants ]-------------------------------------------------------
#SELECT $STAMP
#ENDSELECT
Parallax, Inc. • RFID Reader Module (#28140) •Updated 02/2006 v1.1
GOTO Main
END
#CASE BS2, BS2E, BS2PE
#CASE BS2SX, BS2P
#CASE BS2PX
File....... RFID.BS2
Purpose.... RFID Tag Reader / Simple Security System
Author..... (c) Parallax, Inc. -- All Rights Reserved
E-mail..... [e-mail]
Started....
Updated.... 07 FEB 2005
{$STAMP BS2}
{$PBASIC 2.5}
T1200
T2400
T4800
T9600
T19K2
TMidi
T38K4
T1200
T2400
T4800
T9600
T19K2
TMidi
T38K4
T1200
T2400
T4800
T9600
T19K2
TMidi
T38K4
PIN
PIN
PIN
PIN
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
CON
If tag is found, the program will disable a lock.
0
1
2
3
813
396
188
84
32
12
6
2063
1021
500
240
110
60
45
3313
1646
813
396
188
108
84
' low = reader on
' serial from reader
' speaker output
' lock/latch control
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