3 ms·
Controller is about 70 euro's. Buck converter (not documented but added) 7 euro. Panel was 110 Euro. Extra Sensor was 10 euro. Car battery was free. Maybe + 20
by louwrentius 6y ago
Controller is about 70 euro's. Buck converter (not documented but added) 7 euro. Panel was 110 Euro. Extra Sensor was 10 euro. Car battery was free. Maybe + 20 for cables and connectors.
Frankly, I'm not sure how economical it is, but it is fun to me.