This repository has been archived by the owner on Sep 23, 2021. It is now read-only.
- Default advertisement interval (fast) is now 1280 ms + random interval to match apple guidelines.
- URL mode is deprecated and replaced by RAWv2 mode (data format 5).
- Tag has 3 modes: RAWv1, RAWv2, RAWv2_slow.
- Slow mode advertises at 5 * 1285 ms interval to save battery, in total 6420 ms + 0-10 ms.
- RAWv1 consumes 20 uA at 3 volts, expected runtime is 4 years
- RAWv2 consumes 20 uA at 3 volts, expected runtime is 4 years
- RAWv2_slow consumes 14 uA at 3 volts, expected runtime is 6 years
- Tag reboots after NFC read to work around occasional hang after NFC read.
- Mode is stored to flash and read from flash after reboot.
- Long press on button "B" enters DFU mode
- Tag boots in RAWv2 mode, and modes are cycled by a short button press.
- Red led blinks on RAWv1 mode and green led blinks on RAWv2 mode.
- The data format 5 / RAWv2 has been in use for over year and is supported by most of the community libraries.
- Power consumption is calculated at 3 V voltage, and life time is estimated at room temperature with a safety factor of 0.8