Apple has promised to open up its Find My app to third-party accessory makers. But ahead of that, there’s a new tool that will let anybody make their own Bluetooth tracking tag to use with the Find My network so they can track its location. OpenHaystack is a new open-source tool developed by security researchers at the Secure Mobile Networking Lab, who have essentially reverse-engineered the way Apple devices register themselves to the Find My mesh network.
It is, in short, a way to create your own DIY AirTags today.
OpenHaystack works via a custom Mac app that can be used to track the location of custom tags that you create. As of right now, the tool has direct support to make a tracking tag using the BBC micro:bit mini computer,…