23 open source boards using the 74LS07
Real designs built with the 74LS07, 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.
Omega-Mainboard
skiselev
333.4 × 149.9 mm248 parts2LGPL-3.0456
Multi
homebrew8088
243.8 × 172.7 mm85 parts2LGPL-3.0238
AVR/ArduinoTTY
KALTCHUK
99.7 × 69.9 mm43 parts2LNo license94
Tom80
anjennings
135 × 100 mm49 parts2LMIT93
Omega-Mainboard
merlinkv
333.4 × 149.9 mm248 parts2LGPL-3.040
Dragon64
danwerner21
333.2 × 205.9 mm220 parts2LNo license34
Front panel 9602
ibm2030
283 × 96 mm157 parts2LNo license13
RP2040/RP2350AppleII-VGA markadev
Toysoft
172.7 × 69.1 mm33 parts2LMIT3
BitStack-DigiTrainer
RetroStack
320 × 150 mm262 parts2LMIT2
Omega-Keyboard
333.4 × 124.5 mm96 parts2LGPL-3.0456
Omega-Keyboard
333.4 × 124.5 mm96 parts2LGPL-3.040
Backup
333.2 × 205.9 mm218 parts2LNo license34
ASCII keyboard
306 × 145 mm124 parts2LNo license13
Backup1
333.2 × 205.9 mm218 parts2LNo license34
128 X 16 RAM V4 FINAL
180 × 95 mm108 parts4LNo license13
ASCII keyboard 3
297 × 145 mm77 parts2LNo license13
Octal display
140 × 100 mm69 parts2LNo license13
Educ 8 timing
220 × 159.9 mm45 parts4LNo license13
Z80VDC
lynchaj
100 × 100 mm63 parts2LNo license31
256 word memory
220 × 160 mm36 parts2LNo license13
Program counter and adder logic
220 × 160 mm29 parts2LNo license13
PC and ADDER 74LS74 MOD
220 × 160 mm28 parts2LNo license13
Educ 8 decoder
220 × 160 mm26 parts2LNo license13
The 74LS07 in open source designs
The gallery holds 23 open source boards using the 74LS07 from 10 GitHub repositories; a typical one measures about 243.8 × 149.9 mm and carries around 85 components.
91% are two-layer designs, the rest use four layers or more, and 35% carry an open source license.
The most starred is Omega-Mainboard by skiselev.
Parts used alongside the 74LS07
Microcontrollers on boards using the 74LS07
What boards using the 74LS07 are built for
74LS07: common questions
Where can I find a 74LS07 reference design?
Each of the 23 boards on this page is a real design using the 74LS07. 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 74LS07?
The 74LS04, 74LS00, 74LS138, 74LS245 and 74HCT273 appear in the most repositories here.
Which microcontrollers do boards using the 74LS07 use?
Most are built on AVR/Arduino (1) and RP2040/RP2350 (1).
How big is a typical board using the 74LS07?
The median is 243.8 × 149.9 mm, and 91% are two-layer designs.
What is the most popular open source board using the 74LS07?
By GitHub stars, Omega-Mainboard by skiselev, with 456 stars.
Can I simulate one of these boards using the 74LS07 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.