When the fuel gauge of his 1975 Triumph Spitfire started going off the scale, the collected knowledge of the Internet indicated that [smellsofbikes] needed to replace a faulty voltage regulator behind ...

This Adjustable Voltage Regulator is made by combining a common 78L05 with an integrated audio amplifier of the type TDA2030, an adjustable voltage regulator can be constructed in a very simple manner ...

(Editor's Note: There are links to the previous parts of this series at the end, below the author's biography.) The linear voltage regulator was introduced in Part 11 of this series (link below).