1. NRF52 board from some scrap given by a friend, running forked/ported OpenHaystack firmware
2. AA battery holder from junk box
3. AA batteries from junk drawer
If my math is correct, this should last until AA self-discharge, ie. around 10 years. Yes, it works with Apple's FindMy network. Yes, I've flown with it.
https://object.ceph-eu.hswaw.net/q3k-personal/5143b5491fca11...
Usually wrapped in electrician's tape.
1. NRF52 board from some scrap given by a friend, running forked/ported OpenHaystack firmware
2. AA battery holder from junk box
3. AA batteries from junk drawer
If my math is correct, this should last until AA self-discharge, ie. around 10 years. Yes, it works with Apple's FindMy network. Yes, I've flown with it.