15 open source boards using the YM2149
Real designs built with the YM2149, 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-3.0456Rc2014-ym2149
electrified
100 × 50 mm25 parts2LCERN-OHL-P-2.078Omega-Mainboard
merlinkv
333.4 × 149.9 mm248 parts2LGPL-3.040Zx sizif-128
UzixLS
140 × 85 mm107 parts2LMIT32Zx tsid
UzixLS
83 × 39.5 mm77 parts2LMIT22ESP8266
Stargate
leomanes
335 × 218.6 mm274 parts2LGPL-3.017ESP32
ZX21
fordp2002
142 × 100 mm125 parts2LBSD-3-Clause9Omega-Mainboard
msx-solis
333.4 × 149.9 mm248 parts2LGPL-3.07Omega mainboard1.3eu
msx-solis
333.4 × 149.9 mm252 parts2LGPL-3.05TS Ext EPM3032
ponchick
94 × 74.3 mm50 parts2LNo license3JFF
herraa1
250 × 150 mm132 parts2LGPL-3.02TMS9918A YM2149
daveho
150 × 90 mm44 parts2LNo license19Zalt Video and Sound
obiwanjacobi
99.7 × 99.7 mm107 parts2LCustom license16LogicBoard 3GE Repro
tullulah
99.2 × 101 mm159 parts4LGPL-3.03T2000
stonedDiscord
167.6 × 372.8 mm13 parts2LBSD-2-Clause4
The YM2149 in open source designs
The gallery holds 15 open source boards using the YM2149 from 15 GitHub repositories; a typical one measures about 150 × 101 mm and carries around 125 components.
93% are two-layer designs, the rest use four layers or more, and 80% carry an open source license.
The most starred is Omega-Mainboard by skiselev.
Parts used alongside the YM2149
What boards using the YM2149 are built for
YM2149: common questions
Where can I find a YM2149 reference design?
Each of the 15 boards on this page is a real design using the YM2149. 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 YM2149?
The 74HCT04, 74HCT74, 74LS07, D41464 and 74AHCT125 appear in the most repositories here.
Which microcontrollers do boards using the YM2149 use?
Most are built on ESP32 (1) and ESP8266 (1).
How big is a typical board using the YM2149?
The median is 150 × 101 mm, and 93% are two-layer designs.
What is the most popular open source board using the YM2149?
By GitHub stars, Omega-Mainboard by skiselev, with 456 stars.
Can I simulate one of these boards using the YM2149 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.