Dual-Technology Access Fob Keychain
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An access fob that allows for two wireless access technologies to be used in the same housing.
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution
At my current apartment complex the main door and lift use a RFID HID Prox system to give residents access.
After moving in we decided to install a smart lock on my apartment's front door. The Yale Unity uses more modern and secure Mifare NFC technology to restrict access.
After a few months I have gotten sick of having two “fobs” to get into my apartment.
So I created this fob which has space to take two of these little coin tokens:
T5577 (RFID Re-programmable to emulate HID)
https://www.ebay.com.au/itm/313305746019
Mifare Classic 1K
https://www.ebay.com.au/itm/174916669238
Both sellers advertised them as “30mm” but I found that the T5577 were actually 28mm.
Pausing the print at the last layer before the top is printed allows for them to be placed securely inside the fob casing.