This is a simple esp-idf project used to monitor 802.11 probe requests.
Upon observing a probe request, a json message will be sent over mqtt to the configured broker.
MQTT_BROKER_URL - The URL of the mqtt broker (e.g., mqtt://192.168.1.2)
MQTT_TOPIC - The base MQTT topic to use
NTP_SERVER - The IP or hostname of the NTP server to use for time synchronization
WIFI_SSID - The SSID of the access point to connect to
WIFI_PSK - The Pre-Shared Key for the specified access point