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Using an ESP32 and BLE to Avoid Losing Your GoPro #celebratephotography

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Creative problem solving by Konrad Iturbe on Hackster.io:

Tether? Check. Sticker with my number? Check. An IF_FOUND.txt in the SD card? Check. A device that beeps whenever the camera is out of range or the battery died? Huh?

I had this idea for my upcoming ski trip to get notified in case I lose my GoPro. Problem is turning on WiFi will drain the battery very quickly so I resorted to using Bluetooth, the camera spawns a Bluetooth connection when pairing, and that’s not ideal for me since I need to get a BLE signal as soon as the camera boots up.

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