A CUID card slot that can be hung on a keychain.
You can put campus cards, meal cards, bus and subway cards on it. It is small in size and the thickness of the board is 1mm . You can also put ordinary CUID cards on it and play by yourself.
Introduction to NFC cards:
A description of a certain product from Duoduo (it seems quite detailed):
 |
 |
| There is also a UID card that can only be written once. This card does not have a firewall. If it is used for access control, it may not be opened after being copied (some access control systems have firewalls), so CUID cards are generally used. | |
I bought the CUID buckle and then took it apart and soldered it on...
Physical map:
| Before welding | After welding |
 |
 |
Video transmission:
Write the WiFi account and password on your mobile phone to connect to the Internet : https://www.bilibili.com/video/BV1Ar4y1T727
Software address: Click here Password: a9b9
All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.
It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
Supported by EEWorld Datasheet
EEWorld
subscription
account
EEWorld
service
account
Automotive
development
community
Robot
development
community
About Us Customer Service Contact Information Datasheet Sitemap LatestNews
Room 1530, 15th Floor, Building B,
No.18 Zhongguancun Street,
Haidian District,
Beijing, Postal Code: 100190
China
Telephone: 008610 8235 0740
京公网安备 11010802033920号
YFW200-23
