The circuit he’s building here is a solar charger for the super capacitor. Being a fairly small device there’s not a lot of current, voltage ... For example, this RC plane was converted ...

The humble LM317 adjustable voltage regulator is everywhere ... including driving LEDs and laser diodes. While this circuit may not be as efficient as an LED driver module or a switching solution ...

A linear voltage regulator is a circuit that takes in a variable input voltage and ... actions to remove the source conditions responsible for causing these faults. For example, by shutting down the ...

This article explains how to extend the battery lifetime of a device by adding a nanopower converter to an existing system, ...