SBX Firmware Changelog

All notable changes to the SBX Solar Charger Module Firmware will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Versions marked with UPDATE! should not be used anymore.


[4.1.1] - 2021-08-30

Power input monitoring has been disabled for Li-ION models to allow operation w/o solar panel attached.


[4.1.0] - 2021-08-20

Changed the LED signalisation to show the battery initialization phase. During initialization the battery will be charged once:

  • NiMH models up to 8.1V
  • Li-ION models up to 7.4V

Minor bugfixes


[4.0.1] - 2021-05-21

Changes internal memory update interval. Pressing the button now instantely turns on LEDs


[4.0.0] - 2021-05-20 - UPDATE!

Complete rewrite of the SBX firmware

  • Increased stability
  • Additional supervision mechanisms that resets the device if no sun for more than 2 days
  • Simplified LED signalisation
  • Dynamic charging current limiter depending on the temperature. (slower charing when hot temperatures)

Minor quality issue found. Update to 4.0.1 if possible.


[3.0.5] - 2021-05-17 - UPDATE!

Fixed a problem with fully charged batteries could interrupt radar power supply

Update to V4.0.1 if you have issues with unplaned restarts of your device


[3.0.4] - 2021-04-24 - UPDATE!

Fixed a problem with fully charged batteries could interrupt radar power supply

Update to V4.0.1 if you have issues with unplaned restarts of your device


[3.0.3] - 2021-03-30 - UPDATE!

Fixed a problem with fully charged batteries could interrupt radar power supply

Update to V4.0.1 if you have issues with unplaned restarts of your device


[3.0.2] - 2021-03-30 - UPDATE!

Fixed a problem with the Li-Ion Type

Update to V4.0.1 if you have issues with unplaned restarts of your device


[3.0.1] - 2021-02-12 - UPDATE!

Charging LED signalisation improved

Update to V4.0.1 if you have issues with unplaned restarts of your device


[3.0.0] - 2020-11-26 - UPDATE!

First release for SBX Rev. 04 PCBs

Update to V4.0.1 if you have issues with unplaned restarts of your device