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MOD-RFID125-BOX User Manual All boards produced by Olimex are ROHS compliant Rev.A, February 2008 Copyright(c) 2008, OLIMEX Ltd, All rights reserved...
64-bit EM4102 tags with 64 periods of carrier frequency per data bit. All the complexity of RFID tag detection, verification and decoding are handled by MOD-RFID125-BOX. After it strips the header and the checksums user is given the 40-bit ID of the transponder tag.
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POWER SUPPLY: Normally the device is supplied from USB. MOD-RFID125-BOX can be connected to external 6-9V DC power supply. This can relief the USB hub power supply when device is in USB HID or USB CDC mode. External power supply is mandatory for UART mode of operation.
LEDS: In normal mode the GREEN LED is on whenever the RF antenna circuit is active and scanning for RFID tags. The RED LED switches on whenever a valid RF TAG ID is being scanned and decoded successfully. The LEDs can be switched off to save power consumption. See the “Command Line Interface”...
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Linux distributions normally include drivers both for USB HID and USB CDC classes. Depending on which driver is loaded in the kernel, user should look either for /dev/ttyACMn /dev/ttyUSBn where "n" is a number, assigned by the kernel to the plugged device. USB HID MODE: When device is connected via USB to a host PC it will represent itself as USB HID keyboard.
MOD-RFID125-BOX using HyperTerminal or similar terminal program, and start typing commands. For the impatient: type '?' and press enter to see a short help for the supported commands. Any typed character will be echoed back; 'enter' will force the module to process the input command line.
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receiving a firmware upgrade image. See the section “Firmware Upgrade” for more information. Command r This command is only valid if device is in single read mode (see below). It will trigger a single TAG read. If TAG ID is successfully read, it will be printed.
FIRMWARE UPGRADE: MOD-RFID125-BOX contains a built-in boot loader for easy firmware upgrade. Device enters boot loader mode if the application FLASH section is corrupted. To force the device to enter boot loader mode for manual firmware update do the following: 1.
ELECTRICAL CHARACTERISTICS: Symbol Description Condition Power Supply Voltage. Power Supply Current Idle (RF scanning not active) CC,NOLED with deactivated Continuous scanning LEDs. Scanning 2 times per second Power Supply Current Continuous scanning with activated LEDs. Scanning 2 times per second...
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ORDER CODE: MOD-RFID125-BOX – assembled and tested (no kit, no soldering required) How to order? You can order to us directly or by any of our distributors. www.olimex.com/dev Check our web for more info. Revision history: REV.A - create April 2008...
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This document is intended only to assist the reader in the use of the product. OLIMEX Ltd. shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such...