Here on the Morning After the Night Before, I’m sitting thinking about 125 kHz RFID, as this is honestly the first time in many decades playing with radio I’ve given one of these a look ...

The latest update is all about RFID and NFC, and how the Flipper Zero can interact with a variety of contactless protocols. Popular 125 kHz protocols: EM-Marin, HID Prox II, and Indala.