vault backup: 2026-07-11 16:59:05

This commit is contained in:
John Lyon-Smith
2026-07-11 16:59:05 -07:00
parent b0318f13ae
commit ecb462a16b
82 changed files with 1970 additions and 0 deletions

6
Notes/Electronics/NFC.md Normal file
View File

@@ -0,0 +1,6 @@
NFC is different from RFID. Its way for two devices to communicate when in close proximity. NFC readers can also read RFID cards.
- [PN532 NFC/RFID card](https://www.adafruit.com/product/364)
- [GitHub - adafruit/Adafruit-PN532: Arduino library for SPI and I2C access to the PN532 RFID/Near Field Communication chip](https://github.com/adafruit/Adafruit-PN532/tree/master)