nfc

Hello, As backup for the bank card, I'd like to get an NFC-capable Android smartphone. Ideally, it should be < €/$200 new (I don't mind buying it second-hand, so it could more expensive new), and have a < 5,5" screen — besides the extra weight, I find Xiaomi Redmi Note 5's 6" screen a bit big...

My friend has always been a BIG fan of Pebble (discontinued in 2016) and was devastated when it got discontinued. If it matters, he owns a self-rooted Android phone bcos he likes to customise the tech he needs. He’s a software developer and has always been interested in tech (building stuff and...

Hello, I need to understand this in order to use it in my work. I work with access control systems. One of the hardware I use is proximity card readers, which read both 13,56 MHz and 125 kHz cards. Accidentally I put my Samsung S20 phone near the reader and my surprise was that the reader...

Google Pay does not support Citi AAdvantage (although Apple Pay does). I heard it works with Samsung Pay, but that app isn't supported by Pixel. For some reason I'm having trouble finding other contactless payment wallets for Android. Can anyone advise? Thanks.

I am trying to lock data to a NXP ICODE SLIX SL2S2002 tag type 5 (ISO 15693) to make it readonly by using the WRITE SINGLE BLOCKS command through the NfcV object in an ionic based app: private readonly cmdISO15693 = { READ_SINGLE_BLOCK: 0x20, WRITE_SINGLE_BLOCK: 0x21, LOCK_BLOCK...

I have an nfc enabled phone (Samsung Galaxy Core Prime SM-G6360G) with stock Android 5.1.1. I want an app that I can scan an RFID/contactless card and save it in my phone. The RFID card operates at NFC frequency and the reader in my use only checks the data, not the UID of the card. Then i want...