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ESP32 BLE Sniffer

A bluetooth sniffer for ESP32 based on NimBLE-Arduino.

It saves packets to SD card in a PCAP file readable with Wireshark. You can choose filename from code.

It displays when found Ibeacon or eddystone beacon with some additional data.

Current limitation

  • Sometimes packet is malformed
  • CRC is wrong

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A bluetooth sniffer for ESP32

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