MOD-RFID125 Olimex Ltd., MOD-RFID125 Datasheet - Page 9

• Manufacturer Part Number: MOD-RFID125
• Description: RFID Modules & Development Tools RFID RDR FOR 125KHZ TAGS 50x20x5mm
• Manufacturer: Olimex Ltd.

Specifications of MOD-RFID125

• Operating Current: 120 mA
• Operating Voltage: 5 V
• Product: RFID Readers
• Wireless Frequency: 125 KHz
• Interface Type: USB, UART
• Dimensions: 50 mm x 20 mm x 5 mm
• Kit Features: Base RFID Frequency 125kHz, EM4102 RFID Tags, USB HID Keyboard, USB CDC Serial Port Emulation Mode
• Development Tool Type: Hardware - Module
• Supported Devices: HID Keyboard, CDC
• Tool /: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1701545 25R4793

FIRMWARE UPGRADE:
1.Disconnect the device from any power source (external DC, USB).
2.Press and hold the button.
3.Power up the device by connecting it to USB.
4.Device now must be in boot loader mode, indicated by the LED light sequence:
a.RED on, GREEN off.
b.RED off, GREEN on.
c.RED off, GREEN off.
Below is a screen shot of command line session using HyperTerminal:
MOD-RFID125 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:
Button can now be released. The device will stay in boot loader mode until
it is power cycled.
Boot loader implements the standard protocol XMODEM with CRC16 for
firmware update. User is free to use his favorite terminal client
Example – scan twice per second, report a seen tag every second:
Example – continuous scanning, report a seen tag every 5 seconds:
7.
Set LED mode. If E is 0, LEDs will be disabled. Otherwise if E is 1,
LEDs will be enabled.
Example – enabling LEDs:
Example – disabling LEDs to conserve power:
Command mlE
mc21
mc05
ml1
ml0