6 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.
MCU BaseBoard
ExploreEmbedded
180 × 125 mm146 parts2LNo license25
MCU BaseBoard
180 × 125 mm146 parts2LNo license17
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
AVR/ArduinoWBO2
rusefi
67.4 × 40.6 mm51 partsNo license2
Aislador USB para uso industrial
brengi
57.4 × 45 mm59 parts2LNo license7
The 7805 in open source designs
The gallery holds 6 open source boards using the 7805 from 6 GitHub repositories; a typical one measures about 103.7 × 60.5 mm and carries around 103 components.
100% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is MCU BaseBoard by ExploreEmbedded.
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 6 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.
Which microcontrollers do boards using the 7805 use?
Most are built on AVR/Arduino (2).
How big is a typical board using the 7805?
The median is 103.7 × 60.5 mm, and 100% are two-layer designs.
What is the most popular open source board using the 7805?
By GitHub stars, MCU BaseBoard by ExploreEmbedded, with 25 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.