listener_firmware

Listener / scanner module for the dual-PN532 NFC setup: continuously polls NFC tags and forwards data to the emulator over ESP-NOW.

Build

Use PlatformIO from the parent directory (see root platformio.ini):

cd ..
pio run -e listener
pio run -e listener -t upload

Includes headers from ../common/.

Hardware

Pinout and stack description: parent README.