| Programmable deep discharge protection for multiple-cell LiPo accus, open drain output, AVR.
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| I repaired a chinese grid tie inverter for small solar systems, Input 50-100V, Output 230V 300W. The failure was in the reference voltage in...
| My idea started when I whould like to use my cool box at home, but the built-in thermostat had a fixed switching-point. I had a thermostat m...