11 open source boards using the L7905
Real designs built with the L7905, 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.
AVR/ArduinoSgikbd
jtsiomb
80 × 60 mm27 parts2LGPL-3.020
RP2040/RP2350AWG
F6ITU
140 × 75 mm73 parts2LNo license14
A2000-ATX-PSU-Adapter
wiretap-retro
69.1 × 37.5 mm9 parts4LNo license9
MetaphoricV2
OldWer
204.5 × 138 mm140 parts2LCC0-1.05
AdamPicoPSU
aotta
80.9 × 39.5 mm11 parts2LNo license5
AVR/ArduinoLisa-Twiggy-Breakout-Board
DosFox1
198.1 × 50.8 mm32 parts2LGPL-3.02
EasyATnoX
chris-kwng
99.5 × 99.5 mm24 parts2LCC-BY-SA-4.02
Usbpd adapter
fachat
108.5 × 69.9 mm128 parts2LNo license0
Usbpd adapter
61.3 × 45.5 mm49 parts2LNo license4
Fonte tensao LM675 v05b
Pinheirogustavo
90 × 100 mm40 parts2LNo license2
STM32Waveform Generator
Synthron
160 × 100 mm105 parts2LNo license3
The L7905 in open source designs
The gallery holds 11 open source boards using the L7905 from 11 GitHub repositories; a typical one measures about 99.5 × 69.9 mm and carries around 40 components.
91% are two-layer designs, the rest use four layers or more, and 36% carry an open source license.
The most starred is Sgikbd by jtsiomb.
Parts used alongside the L7905
Microcontrollers on boards using the L7905
What boards using the L7905 are built for
L7905: common questions
Where can I find a L7905 reference design?
Each of the 11 boards on this page is a real design using the L7905. 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 L7905?
The L7805, L7812, AP63205WU, LM358 and TPS5430DDA appear in the most repositories here.
Which microcontrollers do boards using the L7905 use?
Most are built on AVR/Arduino (2), RP2040/RP2350 (1) and STM32 (1).
How big is a typical board using the L7905?
The median is 99.5 × 69.9 mm, and 91% are two-layer designs.
What is the most popular open source board using the L7905?
By GitHub stars, Sgikbd by jtsiomb, with 20 stars.
Can I simulate one of these boards using the L7905 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.