nfc

Heya! I want to design a chess board which can ID the various pieces. I’ve read plenty posts here before, and I want to clarify I would like there to be no visible electronics and for the identification to not rely on pre-programmed positions. I’ll be using Arduino 4, but i’ve got a Raspberry...

Hello everyone Could please someone explain to me why there are such big area vias and such a wide conductor connecting it? When i say "big area" i mean comparing to face side narrow conductor Kind regards Alex

Hi everyone, I want to adjust the natural frequency of my NFC-circuit in order to optimize the perfomance. Maybe the question is too easy, but I'm new to the usage of a netwerkanalyzer. I want to do the Antenna tuning measurements as described in the application note in the appendix (see chapter...

I'm wanting an undersea short-range remote (wireless button for dive thrusters) and induction seems perfect, so I bought a passive keyless car alarm to see how they work. I do understand that the car transmits an inductive signal, which the remote picks up (and then the remote does it's own...

So I have a project I'm working on a project to light these "NFC fingernail lights": They light up when in the presence of a 13.56MHz RFID field. The issue is other than my phone, I have no way to light them day to day. I would like to develop a device I can hold, like fist semi closed and it...