What if your keychain could tell you the temperature, all while staying battery-free? That’s the essence of this innovative keychain ‘NFC_temp’ by [bjorn]. This nifty gadget harnesses energy from an ...
The Xiaomi Ecological Chain has just launched a new product for home security. It is the Aqara smart door lock NFC card, which is priced at 49 Yuan (roughly 7 US Dollars). The Aqara smart door lock ...
JCB, a Japanese international payment brand and Singaporean Fintech Keychain GK have implemented offline payments using near-field communication (NFC), self-sovereign identity, and blockchain ...
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