This battery circuit provides a charging current of 500 mA depending on the solar panel. The switching circuit is from a National Semiconductor documentation from the 90s.
This unit is intended for powering low consumption devices. The operating frequency is...
This high-power amplifier was found in 2001 documentation. The output transistors must be equipped...
July 2016 - It can be obtained from Mouser Electronics new trinkets Adafruit. These trinkets are...