3 open source boards using the NJM4556A
Real designs built with the NJM4556A, 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.
PedalMeetingHeadphoneAmp RevD
kanengomibako
100 × 80 mm121 parts2LUnlicense11
ESP32RX8-7(WithoutOpAmps)
bradport02
165.3 × 123.7 mm388 parts4LNo license0
ConsistentGuitarOutput RevA
94 × 59 mm38 parts2LUnlicense11
The NJM4556A in open source designs
The gallery holds 3 open source boards using the NJM4556A from 2 GitHub repositories; a typical one measures about 100 × 80 mm and carries around 121 components.
67% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.
The most starred is PedalMeetingHeadphoneAmp RevD by kanengomibako.
Microcontrollers on boards using the NJM4556A
What boards using the NJM4556A are built for
NJM4556A: common questions
Where can I find a NJM4556A reference design?
Each of the 3 boards on this page is a real design using the NJM4556A. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the NJM4556A use?
Most are built on ESP32 (1).
How big is a typical board using the NJM4556A?
The median is 100 × 80 mm, and 67% are two-layer designs.
What is the most popular open source board using the NJM4556A?
By GitHub stars, PedalMeetingHeadphoneAmp RevD by kanengomibako, with 11 stars.
Can I simulate one of these boards using the NJM4556A 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.