Read data with USB reader acr122u, read from 4th page to 15th page, read 4 bytes at a time
Example 1:
The content of my card is a tag:title is my Title, the URL is http://app.searb.cn > 2C D1 (ASCII Mode):, n don't know what it means
> The Sp™sp:means Smart Poster, which is a smart tag
> 0E mode:t >> ASCII 54:type length 1, Type T (Text)
> 6E >> ASCII mode:1en 31:id ("1") = record identifier; 65:locale string Lengh 5, local string is en-us
> 2D 4D >> ASCII Mode:-USM
> mode:y >> ASCII Ti My Title
> 6C Mode:tley >> ASCII
> 0D mode:u >> ASCII
> Mode:2ap >> ASCII app.searb.cn
> 2E mode:p.se >> ASCII
> 2E >> ASCII mode:arb.
> 6E FE xx >> ASCII MODE:CN
Example 2:
Reading and Writing NFC Smart Tags
http://supportforums.blackberry.com/t5/Java-Development/Reading-and-Writing-NFC-Smart-Tags/ta-p/1379453
Reference:
Mifare UltraLight non-contact IC card Issuance Summary
Overview:
1, capacity 512bit, divided into 16 page, each page accounted for 4byte
2, each page can be programmed to lock the read-only function
3, 384-bit (from page4 onwards) user read/write area
4, only 17 byte physical card number (PAGE0 first 3 byte plus page1)
Reference:
Mifare Ultra Light Non-contact IC card Issuance Summary
Http://www.cnblogs.com/chenguanwei/archive/2011/01/07/1930169.html
Mifare Ultralight Function Specification
Http://www.wontec.com.tw/images/jpg/IC/ultralight.pdf