Hello, according to my sketchy investigation, passive NFC tags are not required to do FCC, CE certification, because they have no battery and are activated by radio waves emitted by the reader.This conclusion was drawn by unofficial contents. ...
Can the antenna of this board be led out for measurement? How do I lead out the line for measurement? If not do I need to rebuild the board?
Hello, does Android phone can serve as the NFC reader and support Fast Transfer Mode(FTM) in this diagram? If yes, what is the speed?Is FTM unique to ST NFC tag products?Thanks!
At present, there is no mature NFC WLC function, so can I complete the wireless charging function through ST25 and STWBC86? ST25 completes the transmission of information, and the electric energy obtained by STWBC86 based on Qi supplies power to MCU?...
I should make an application with NFC where the entire circuit is powered by energy harvesting.For this reason I thought of using the ST25DV and I have already purchased the X-NUCLEO-NFC07A1 and X-NUCLEO-STM32L476RG.I have successfully obtained the e...
I understand that in order to prevent wireless charging from affecting the ST25 tag, capacitive elements are added inside it. But are there any examples of wireless charging through ST25 combined with Qi?
Hey, I have the ST25DV64KC-DISCO discovery kit, and I want to program it such that whenever an NFC-enabled mobile phone comes in contact, the phone will connect to a Bluetooth address that will be given inside the firmware code. So can somebody pleas...
Hello:I want use ST25R95 to do card emulation. But I can't find any source code in ST25 website.Can you help provide some source code?
Hi all,I want to start a project with NFC for smart locks. I don't have experience in NFC. Could anyone please help me select NFC IC for the below requirement?1. smart door lock system.2. lock and unlock with only smartwatch and mobile, not with card...
I have this board with a large (91x119mm) surrounding it. There is circuitry including the ST25R95 in the middle, but it has quite some clearance to the antenna. Matching network is calculated using the ST excel sheets.Now I can get it to read NFC st...