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125Khz EM4100 ID Reader RFID Reader Module UART Output Access Control System for Arduino

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I. Description:
1. Working voltage:3.0V-5.0V ; <25mA
2. Working frequency:125KHz
3. Support card:EM4001/EM4012
4. Read distance:<7cm
5. Output type:TTL
6. Read speed:<100ms
7. Size:2*1.2cm
 
II. Definition of Pins:
 
 
III. Diagram:
 
IV. Size:
 
V. Tested by ICStation Outstanding Partner Hugatry:
 

Feedback

By
Rating: [5] 5 of 5 Stars! Date Added: 2017-02-21 21:56:53
The pcb is very small 20mm x 13mm, but Well-assembled.
By
Rating: [5] 5 of 5 Stars! Date Added: 2016-12-04 21:28:26
Cannot Fault for the Price which includes a rectangular coil antenna 55mm x 75mm Works on 3.3V really quite well and consumes a max of 17.1mA (measured) The number comes out in ASCII at 9600 baud, there are a couple of extra chars at the beginning and end but the other digits match the cards exactly. With the big coil the range was about 70 mm to trigger a reading, may be more on 5V I did not check. Have ordered another 30 as it is the cheapest way I have found to do EM4100 Really love to know what chip this is using, I would have loved to have it a few years ago doing my data terminal project.

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125Khz EM4100 ID Reader RFID Reader Module UART Output Access Control System for Arduino
$5.59
$7.99
31