28 open source boards using the L78L05_TO92
Real designs built with the L78L05_TO92, 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/ArduinoFranzininho diy board
Franzininho
51.1 × 30 mm19 partsCC-BY-SA-4.0114
DaisyPodal
motekulo
76 × 82 mm56 parts2LNo license15
AVR/ArduinoPontag
hkzlab
38.1 × 85.1 mm35 parts2LGPL-3.09
Raspberry PiTetra Link boardIWQ
f1iwq2
85.2 × 55.4 mm70 parts2LNo license3
4gates
Alloyed
34 × 100 mm80 parts2LMIT2
Ai08-devboard
Sirawit7205
80 × 70 mm65 parts2LCERN-OHL-S-2.02
AVR/ArduinoSpeedRadar
jwchang418
47 × 40 mm34 parts2LNo license2
AVR/ArduinoQuantizerBack
BenRufenacht
170 × 95 mm130 parts2LNo license1
RP2040/RP2350Zero stomp
relic-se
85.2 × 98.9 mm80 parts2LGPL-3.01
PICProjector screen controller
flirbleoss
97.2 × 106 mm65 parts2LCustom license1- schematic only · 58 partsAVR/Arduino
NetToBOM
Len42
58 partsMIT1 
Spectrum Analyzer: IF and Log Amp
dmsmccann
91.7 × 48.8 mm62 parts2LNo license0
Twoshot
tpcarlson
70.8 × 128.5 mm185 parts2LNo license106
!!UNTESTED!!
niektb
50.5 × 128.5 mm124 parts2LCC-BY-SA-4.034
Podal 1590b
54 × 60 mm56 parts2LNo license15
AVR/ArduinoPCB1 Mainboard
Andreas-Wahl
78.7 × 38.1 mm28 parts2LCC-BY-NC-4.02
Spectrum Analyzer: IF and Log Amp
91.7 × 48.8 mm55 parts2LNo license0
NXPImpact pal
40.3 × 128.5 mm175 parts2LNo license106
125b
59 × 75 mm50 parts2LNo license15
VCO-3340
mort13
48.8 × 110 mm102 parts2LGPL-3.012
P3ST motherboard rev.C
mostlydiyrf
189 × 152.7 mm35 parts2LCC-BY-NC-4.06
Logic
40 × 110 mm57 parts2LMIT2
PICVolt amp meter
ApophisXIV
50 × 40 mm24 parts2LNo license2
4knobs.circuitjs
70.7 × 21.1 mm34 parts2LMIT2
Deep blue delay
bubbajfett
54.9 × 57.7 mm49 parts2LCC0-1.014
Leaky bucket
20 × 128.5 mm110 parts2LNo license106
Eurorack
80.8 × 110 mm14 parts2LMIT2- schematic only · 431 parts
W7ZOI Spectrum Analyzer
431 parts2LNo license0
The L78L05_TO92 in open source designs
The gallery holds 28 open source boards using the L78L05_TO92 from 19 GitHub repositories; a typical one measures about 64.8 × 83.5 mm and carries around 58 components.
100% are two-layer designs, the rest use four layers or more, and 43% carry an open source license.
The most starred is Franzininho diy board by Franzininho.
Parts used alongside the L78L05_TO92
Microcontrollers on boards using the L78L05_TO92
What boards using the L78L05_TO92 are built for
L78L05_TO92: common questions
Where can I find a L78L05_TO92 reference design?
Each of the 28 boards on this page is a real design using the L78L05_TO92. 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 L78L05_TO92?
The TL074, LM358, TL072 and ATmega328P-PU appear in the most repositories here.
Which microcontrollers do boards using the L78L05_TO92 use?
Most are built on AVR/Arduino (6), PIC (2), NXP (1) and Raspberry Pi (1).
How big is a typical board using the L78L05_TO92?
The median is 64.8 × 83.5 mm, and 100% are two-layer designs.
What is the most popular open source board using the L78L05_TO92?
By GitHub stars, Franzininho diy board by Franzininho, with 114 stars.
Can I simulate one of these boards using the L78L05_TO92 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.