This release brings a few changes to current factory firmware:
- Default advertisement interval is now 0.5 Hz / 2000 ms
- URL mode is deprecated and replaced by RAWv2 mode (data format 5).
- Tag has 3 modes: RAWv1, RAWv2, RAWv2_slow.
- Slow mode advertises at 6000 ms interval to save battery
- RAWv1 consumes ~15 uA, and should last for 6 years
- RAWv2 consumes ~18 uA, and should last for 5 years
- RAWv2_slow consumes ~13 uA and should last for 7 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 RAWv1 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 almost an year and is supported by most 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