7 open source boards using the 74LS166
Real designs built with the 74LS166, 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.
CGA Redux
hkzlab
337.6 × 105.7 mm168 parts4LCC-BY-NC-4.056Jupiter-II
ricaflops
164.5 × 89.5 mm122 partsMIT4380ColumnCard
btb
155.2 × 78.6 mm47 parts2LApache-2.042Apple-II-R0
reifsnyderb
215.5 × 361.2 mm189 parts2LNo license26Microdigital - TK 2000
clemarfolly
236.8 × 169.8 mm195 parts2LNo license17Lomax ColorMagic Redux
RichCini
254 × 137.7 mm148 parts4LNo license1TK2000 InterfaceDeDrive
clemarfolly
65.1 × 92.8 mm18 parts2LNo license17
The 74LS166 in open source designs
The gallery holds 7 open source boards using the 74LS166 from 6 GitHub repositories; a typical one measures about 215.5 × 105.7 mm and carries around 148 components.
67% are two-layer designs, the rest use four layers or more, and 29% carry an open source license.
The most starred is CGA Redux by hkzlab.
Parts used alongside the 74LS166
What boards using the 74LS166 are built for
74LS166: common questions
Where can I find a 74LS166 reference design?
Each of the 7 boards on this page is a real design using the 74LS166. 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 74LS166?
The 74LS00, 74LS04, 74LS273, 74LS86 and 74LS02 appear in the most repositories here.
How big is a typical board using the 74LS166?
The median is 215.5 × 105.7 mm, and 67% are two-layer designs.
What is the most popular open source board using the 74LS166?
By GitHub stars, CGA Redux by hkzlab, with 56 stars.
Can I simulate one of these boards using the 74LS166 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.