5 open source boards using the LM4040C-2.5
Real designs built with the LM4040C-2.5, 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.
Micro-Pico Tiny Monosynth
JordanAceto
134.6 × 113 mm282 parts4LCC-BY-4.010
MICRO-OX Main VCO board
133.9 × 165.1 mm280 parts4LCC-BY-4.08
Josh Ox Ribbon Synth Main VCO board
170.2 × 213.4 mm349 parts2LCC-BY-4.01
STM32MICRO-OX Modulation Board
111.8 × 165.1 mm231 parts4LCC-BY-4.08
Josh Ox Ribbon Synth Mod Osc board
123.2 × 76.2 mm68 parts2LCC-BY-4.01
The LM4040C-2.5 in open source designs
The gallery holds 5 open source boards using the LM4040C-2.5 from 3 GitHub repositories; a typical one measures about 133.9 × 165.1 mm and carries around 280 components.
60% use four copper layers or more, and 100% carry an open source license.
The most starred is Micro-Pico Tiny Monosynth by JordanAceto.
Parts used alongside the LM4040C-2.5
Microcontrollers on boards using the LM4040C-2.5
What boards using the LM4040C-2.5 are built for
LM4040C-2.5: common questions
Where can I find a LM4040C-2.5 reference design?
Each of the 5 boards on this page is a real design using the LM4040C-2.5. 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 LM4040C-2.5?
The L78L05_SOT89, SSI2130, TL072, L79L05_SOT89 and LM4040DBZ-5 appear in the most repositories here.
Which microcontrollers do boards using the LM4040C-2.5 use?
Most are built on STM32 (1).
How big is a typical board using the LM4040C-2.5?
The median is 133.9 × 165.1 mm, and 40% are two-layer designs.
What is the most popular open source board using the LM4040C-2.5?
By GitHub stars, Micro-Pico Tiny Monosynth by JordanAceto, with 10 stars.
Can I simulate one of these boards using the LM4040C-2.5 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.