Electronic Lab

Electronics, building, development, experiments.....

Projects

December 30, 2020

A simple ±15 V split-rail linear power supply with the L7815 and L7915 for experiments with audio signals and low-power amplifiers.

January 13, 2018

A desktop power supply with three adjustable outputs from 1.25 to 13.5 V, built from two old laptop adapters and LM2596 DC-DC modules.

January 11, 2018

Repairing a cheap panel voltmeter and building a µA741 peak voltage detector to show the output voltage of a sine wave generator.