We had 12" of snow and this completely covered the solar panel. This caused the battery to completely drain. That is the battery voltage was less than 10VDC. Which leads me to this
- Probably need a cutoff relay to disconnect the battery when there is no charging voltage and the battery voltage falls below a certain value.
- If the battery is disconnected, then the controller needs power from somewhere else, probably a combination of the solar panel and a very large cap.
- Which leads to the Curiosity HPC board is not going to work. Need a custom board that I can put to sleep to save power. 75-90mA is just too much current.
Oh well more fun designing.
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