33 open source boards using the 7805
Real designs built with the 7805, 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.
Ultra DB X51 v1
ExploreEmbedded
178 × 145 mm132 partsBSD-3-Clause70
Cpu board
rjw57
99.1 × 99.1 mm68 parts2LMIT68
MCU BaseBoard
180 × 125 mm146 parts2LNo license25
MCU BaseBoard
180 × 125 mm146 parts2LNo license17
DualLM317BenchSupply
cellularmitosis
99.1 × 99.7 mm49 parts2LMIT12
STM32OwmBoard
kanengomibako
55.4 × 66 mm158 parts2LUnlicense11
UMMF
nils-eilers
105 × 100 mm63 parts2LNo license10
PICYAPSCO-10V
simonjoh
82.8 × 73.2 mm72 parts2LGPL-3.07
AVR/ArduinoThc
festlv
123.8 × 99.7 mm72 parts2LNo license7
Analog board
minisystem
200 × 150 mm500 parts2LNo license3
AVR/ArduinoNixiedisp
jtsiomb
140 × 76.1 mm224 parts2LGPL-3.03
Breadboard power supply board hardware design
SolderedElectronics
54 × 29.5 mm24 parts2LTAPR-OHL-1.03
MCU BaseBoard
AhmedElwakeel
180 × 125 mm146 parts2LNo license1
AVR/ArduinoSignalGenerator
ukmaker
99.8 × 100 mm115 parts2LNo license1
OpAmpPassXsistorBenchSupply
99.7 × 99.7 mm87 parts2LMIT1
ReFil
n0skill
50.6 × 30 mm19 parts2LNo license1
MCU BaseBoard
180 × 125 mm146 parts2LNo license0
NixieClockV1
davidmcq137
462.1 × 130 mm62 parts2LNo license0
Ioboard6
subatomicglue
213.4 × 44.5 mm82 partsNo license3
PICSERIAL PIC PROGRAMMER
thisis-romar
160 × 99.1 mm55 parts2LNo license0
Combined
195.4 × 188 mm26 parts2LMIT68
Pinguino45K50
PinguinoIDE
71.1 × 26.3 mm22 parts2LGPL-2.011
NXPEnergy Meter
UNCAMotorsports
45.7 × 39.6 mm33 parts2LMIT2
SERIAL PIC PROGRAMMER
palginpav
160 × 99.1 mm55 parts2LApache-2.01
AVR/ArduinoController
99.7 × 70 mm26 parts2LNo license1
AVR/ArduinoWBO2
rusefi
67.4 × 40.6 mm51 partsNo license2
PICMfx link2
GBert
50 × 50 mm61 parts2LNo license99
Carte Alim
robotronik
102.9 × 70.5 mm58 parts2LNo license1
PICDsPIC33-Arduino
68.6 × 53.3 mm60 parts2LNo license99
AlimDetect 2c
83.8 × 41.9 mm36 parts2LNo license1
PICMfx link
50 × 50 mm53 parts2LNo license99
Aislador USB para uso industrial
brengi
57.4 × 45 mm59 parts2LNo license7
Booster-Link
50 × 50 mm28 parts2LNo license99
The 7805 in open source designs
The gallery holds 33 open source boards using the 7805 from 27 GitHub repositories; a typical one measures about 99.7 × 76.1 mm and carries around 61 components.
100% are two-layer designs, the rest use four layers or more, and 36% carry an open source license.
The most starred is Mfx link2 by GBert.
Parts used alongside the 7805
Microcontrollers on boards using the 7805
What boards using the 7805 are built for
7805: common questions
Where can I find a 7805 reference design?
Each of the 33 boards on this page is a real design using the 7805. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the 7805?
The 24C16, DS1307, L293D, 40PIN_Breakout and LCD-jhd12864e-xl appear in the most repositories here.
Which microcontrollers do boards using the 7805 use?
Most are built on AVR/Arduino (5), PIC (5), NXP (1) and STM32 (1).
How big is a typical board using the 7805?
The median is 99.7 × 76.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the 7805?
By GitHub stars, Mfx link2 by GBert, with 99 stars.
Can I simulate one of these boards using the 7805 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.