RE: NFC-Badge - Update your badge with your smartphone - Using the ST X-NUCLEO-NFC02A1

jomoenginer — Wed, 11 Sep 2019 21:43:17 GMT

It's the difference between a 3.3v shield and a 5v shield. The X-NUCLEO-NFC02A1 is designed to the STM Nucleo boards which are 3.3v boards, or other Arduino based 3.3v boards, thus only supports 3.3v shields where as the Arduino Uno is a 5v board and you should only use 5v shields with it.

Outside of modifying the shield as you did to run on a 5v Arduino board, the other option is to convert the Arduino board to a 3.3v board by changing the 5v regulator for a 3.3v regulator.

Ex:

https://learn.adafruit.com/arduino-tips-tricks-and-techniques/3-3v-conversion?view=all

RE: NFC-Badge - Update your badge with your smartphone - Using the ST X-NUCLEO-NFC02A1

clem57 — Wed, 11 Sep 2019 08:52:42 GMT

Nice mod to an existing project. Thumbs up[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-d331245c-0856-4467-b06f-7ed2baa87e3b/contentimage_5F00_930.png:16:16]