Specter: Open-Source NFC Reader Bug Sweep for Flipper Zero
Specter is a Flipper Zero app that detects powered NFC readers by listening for the radio frequency field they emit at 13.56 MHz, according to its developer, Kailash Parshad. The tool reads the hardware external-field detector on the device’s onboard ST25R3916 chip—the same circuit that lets the device emulate cards—hundreds of times per second while … Read more