Electronic Corner

When the electron circuit to power needs a low current (10 - 50 mA) and a voltage inferior to 24V, its supply circuit can be realized without a power transformer according to the schematic below.

This tutorial would make easy to create libraries for Cadsoft Eagle, a free program for schematics and printed circuit board layout.

If you search for Altium tutorials, the only ones that you find are those written just from them.

This is a very simple project ideal for a small bedroom light.

This is a brief tutorial about the preparation of the board for incision (step not examined here).