4 open source boards using the L7812
Real designs built with the L7812, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
RP2040/RP2350HF-PA-v10
kholia
90 × 99.9 mm97 parts2LGPL-3.06
Analog audio visualizer
alimleahat
130 × 100 mm65 parts2LNo license0
Usbpd adapter
fachat
61.3 × 45.5 mm49 parts2LNo license4
Power Supply THT
BruteClaw
200 × 120 mm49 parts2LGPL-3.010
The L7812 in open source designs
The gallery holds 4 open source boards using the L7812 from 4 GitHub repositories; a typical one measures about 110 × 100 mm and carries around 57 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Power Supply THT by BruteClaw.
Parts used alongside the L7812
Microcontrollers on boards using the L7812
What boards using the L7812 are built for
L7812: common questions
Where can I find a L7812 reference design?
Each of the 4 boards on this page is a real design using the L7812. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the L7812 use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the L7812?
The median is 110 × 100 mm, and 100% are two-layer designs.
What is the most popular open source board using the L7812?
By GitHub stars, Power Supply THT by BruteClaw, with 10 stars.
Can I simulate one of these boards using the L7812 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.