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ESP32-BLECollector

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A BLE Scanner with persistence.

ESP32 BLECollector running on Wrover-Kit ESP32 BLECollector running on M5Stack

🎬 Demo video

BLECollector is just a passive BLE scanner with a fancy UI. All BLE data found by the BLE Scanner is collected into a sqlite3 format on the SD Card.

Public Mac addresses are compared against OUI list, while Vendor names are compared against BLE Device list.

Those two database files are provided in a db format (mac-oui-light.db and ble-oui.db).

On first run, a default blemacs.db file is created, this is where BLE data will be stored. When a BLE device is found by the scanner, it is populated with the matching oui/vendor name (if any) and eventually inserted in the blemasc.db file.

⚠️ This sketch is big! Use the "No OTA (Large Apps)" or "Minimal SPIFFS (Large APPS with OTA)" partition scheme to compile it. The memory cost of using sqlite and BLE libraries is quite high.

⚠️ Builds using ESP32-Wrover can eventually choose the 3.6MB SPIFFS partition scheme, and have the BLECollector working without the SD Card. Experimental support only since SPIFFS tends to get slower and buggy when the partition becomes full.

Hardware requirements

Software requirements (updated)

Behaviours (auto-selected except for WiFi):

Optional I2C RTC Module requirements

Optional Serial GPS Module requirements

Optional XPad Buttons Shield requirements

Time Sharing

File Downloading (still experimental)

Sending the DownloadDB command will:

Serial command interface

Available Commands:

01)             help : Print this list
02)             halp : Same as help except it doesn't print anything
03)            start : Start/resume scan
04)             stop : Stop scan
05)     toggleFilter : Toggle vendor filter on the TFT (persistent)
06)       toggleEcho : Toggle BLECards in the Serial Console (persistent)
07)      setTimeZone : Set the timezone for next NTP Sync (persistent)
08)    setSummerTime : Toggle CEST / CET for next NTP Sync (persistent)
09)             dump : Dump returning BLE devices to the display and updates DB
10)    setBrightness : Set brightness to [value] (0-255) (persistent)
11)               ls : Show [dir] Content on the SD
12)               rm : Delete [file] from the SD
13)          restart : Restart BLECollector ('restart now' to skip replication)
14)       screenshot : Make a screenshot and save it on the SD
15)       screenshow : Show screenshot
16)           toggle : toggle a bool value
17)          resetDB : Hard Reset DB + forced restart
18)          pruneDB : Soft Reset DB without restarting (hopefully)
19)         bleclock : Broadcast time to another BLE Device (implicit)
20)          bletime : Get time from another BLE Device (explicit)
21)          gpstime : Sync time from GPS
22)           latlng : Print the GPS lat/lng
23)          stopBLE : Stop BLE (use 'restart' command to re-enable)
24)        startWiFi : Start WiFi (will stop BLE)
25)      setPoolZone : Set NTP Pool Zone for next NTP Sync (persistent)
26)          NTPSync : Update time from NTP (will start WiFi)
27)       DownloadDB : Download or update db files (will start WiFi and update NTP first)
28)      setWiFiSSID : Set WiFi SSID
29)      setWiFiPASS : Set WiFi Password

Contributions are welcome :-)

Known issues / Roadmap

Implementing both LovyanGFX and Nimble-Arduino was such a huge optimization that none of the previous blockers exist any more!

Some ideas I'll try to implement in the upcoming changes:

Other ESP32 security related tools:

Credits/requirements: