8 open source boards using the C6961
Real designs built with the C6961, 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.
Eurorack pmod
apfaudio
35 × 110 mm116 parts4LCERN-OHL-S-2.0239
AVR/ArduinoThe Bonkulator
shannon-greenlight
70.8 × 110 mm255 parts4LGPL-3.011
RISC-VCheep3a
emeb
27.9 × 108 mm84 parts4LMIT9
PBJ EU Sub
111.4 × 29.5 mm60 parts2LGPL-3.03
RP2040/RP2350Thor's Arsenal
70.8 × 110 mm300 parts4LGPL-3.01
Bt module
adeboni
10 × 108 mm46 parts2LGPL-3.01
Ecg
10 × 100 mm41 parts2LGPL-3.01
Slimline Clock Divider SMD Main
mzuelch
38.1 × 101.6 mm48 parts2LMIT165
The C6961 in open source designs
The gallery holds 8 open source boards using the C6961 from 7 GitHub repositories; a typical one measures about 36.5 × 108 mm and carries around 72 components.
50% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Eurorack pmod pcb by apfaudio.
Microcontrollers on boards using the C6961
What boards using the C6961 are built for
C6961: common questions
Where can I find a C6961 reference design?
Each of the 8 boards on this page is a real design using the C6961. 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 C6961?
The C193969, C29162 and C47538 appear in the most repositories here.
Which microcontrollers do boards using the C6961 use?
Most are built on AVR/Arduino (1), RISC-V (1) and RP2040/RP2350 (1).
How big is a typical board using the C6961?
The median is 36.5 × 108 mm, and 50% are two-layer designs.
What is the most popular open source board using the C6961?
By GitHub stars, Eurorack pmod pcb by apfaudio, with 239 stars.
Can I simulate one of these boards using the C6961 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.