11 open source boards using the LM7805
Real designs built with the LM7805, 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/RP2350AS3397 proto DIP
PhysicsDptAngers
167.6 × 97.5 mm138 parts2LMIT87
AVR/ArduinoPower Supply (plus UBBB 32u4 rev 1.2)
thebiguno
99.1 × 99.1 mm189 parts2LNo license75
PIC12v automatic ups
dilshan
131.8 × 99.9 mm72 parts2LMIT49
C64-Modulator-Replacement
tebl
63.5 × 63.4 mm40 parts2LCERN-OHL-1.239
RP2040/RP2350Spin coater v1
BirdbrainEngineer
102 × 76 mm46 parts2LMIT25
AVR/ArduinoAdjustable Modular Power Supply
36.8 × 52.7 mm183 parts2LNo license75
LNA test
JasMoH
70.4 × 35.3 mm109 parts2LGPL-3.05
PICBPi-CAN
GBert
100 × 100 mm146 parts2LNo license99
Regulador tension 5V
tidus747
53.6 × 29.2 mm10 parts2LGPL-3.012
5V Regulator
CrtomirJuren
48.3 × 29.2 mm8 parts2LNo license0
5V Regulator
48.3 × 29.2 mm8 parts2LNo license0
The LM7805 in open source designs
The gallery holds 11 open source boards using the LM7805 from 9 GitHub repositories; a typical one measures about 70.4 × 63.4 mm and carries around 72 components.
100% are two-layer designs, the rest use four layers or more, and 55% carry an open source license.
The most starred is BPi-CAN by GBert.
Microcontrollers on boards using the LM7805
What boards using the LM7805 are built for
LM7805: common questions
Where can I find a LM7805 reference design?
Each of the 11 boards on this page is a real design using the LM7805. 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 LM7805 use?
Most are built on AVR/Arduino (2), PIC (2) and RP2040/RP2350 (2).
How big is a typical board using the LM7805?
The median is 70.4 × 63.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM7805?
By GitHub stars, BPi-CAN by GBert, with 99 stars.
Can I simulate one of these boards using the LM7805 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.