The circuit is from an Electronics Hobbyst Handbook from the 90s, being valid for panels of the time, with lower performance. The circuit supplies 2.4V with 125mA current.
This circuit was found in a Popular Electronics from the 90's. The circuit can be used to convert...
This circuit works with only 1.5 V and can be powered by a solar panel. The circuit is from 1991....
In fact, the original American publication exaggerated a little about the range that a good...