RDM6300 125KHz EM4100 RFID Card ID Reader Module
- Product SKU: KG063
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DescriptionRDM6300 125KHz EM4100 RFID Card ID Reader Module is easy to use. This is designed for reading code from 125KHz card compatible read-only tags and reading/writing the card. It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems, etc.
This RFID Card ID Reader Module is more convenient: direct serial read, all pins lead to electronic building blocks interface. It supports an external antenna. It is combined with an efficient decoding algorithm, which completes the data reception of the EM4100 compatible ID card. This RFID Card Read Module has the characteristics of high receiving sensitivity, small working current, and high stability.
- Higher Sensitivity: Advanced RF Receiving Line, Embedded Microcontroller Design, Efficient Decoding Algorithm
- It has the characteristics of high receiving sensitivity, small working current, and high stability.
- Support external antenna. Maximum effective distance up to 50mm.
- Applicable to various radio frequency identification applications such as access control, attendance, charging, anti-theft, and patrol.
- Operating Frequency: 125KHZ
- Baud Rate: 9600
- Interface : TTL level RS232 format
- Working voltage : DC 5V(+/-5%)
- Working current : <50mA
- Receive distance : 20~50mm
- Working temperature : -10Â°C~+70Â°C
- Storage temperature : -20Â°C~+80Â°C
- Humidity : 0~95%
- Wiring size : 46*32*3mm
- PCB size : 38.5 x 20 mm
- Weight (gm) : 8
Integration with Arduino
- Maximum effective distance up to 150mm
- Less than 100ms decoding time
- Support external antenna
- Uart interface
- Support EM4100 compatible read-only or read/write tags
- Small outline design
Hooked this up and got it working pretty quick. I found several libraries online. It didn't come with an RFID tag and the first ones I bought weren't compatible. Apparently Just being 125khz isn't enough they have to be EM4100 compatible. It worked once I had the right tag. The only other RFID reader I've used and compare it to is the RC522. Their sensitivity seemed about the same distance, and inch or so. With one library I tried this one output the value continuously while the tag was in range and with another it didn't. The RC522 always gave only one reading per tag. The RC522 had the sense coil built into the circuit board where this one is a separate coil. Which is better depends on how you want to integrate it into your project.
I loaded up the apropriate libary and hooked them to an Audruno. Bang, it worked!There is an active low LED output on the board that was not mentioned anywhere. It blinks when data is transferred. Nice!
Got this up and running in about 5 minutes, once I found the library and code for an Arduino. Look on playground dot arduino dot cc for the RDM630 library. I'm going to try it hooked up to an 8266 next for the wireless connectivity to my projects. Totally cool.
Didn't quite work for what I intended (reading pet tags), but it does work as designed. Only problem is the antenna wind is not protected and very easy to damage (slight bends even with mess with the field)... I was ables to stabilize and protect it a bit by mounting to a small circuit board.