IF you have a Hanson Electronics board with a realtime clock installed please read https://www.hansonelectronics.com.au/realtime-clock-battery/
The list of boards that contain the TinyRTC module and may be affected are
The list of boards that contain the TinyRTC module and may be affected are
- Octoscrolla with RTC
- rPi-28D and rPi-28D+
- HE123, HE123Mk2 and HE123D
- rPi-Clk
- rPi-LedClk