2 open source boards using the IS31FL3731
Real designs built with the IS31FL3731, 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.
NXPUltimate Hacking Keyboard - Right Main Board
UltimateHackingKeyboard
150.1 × 123.4 mm131 parts2LGPL-3.0177
NXPUltimate Hacking Keyboard - Left Main Board
135.9 × 123.4 mm107 parts2LGPL-3.0177
The IS31FL3731 in open source designs
The gallery holds 2 open source boards using the IS31FL3731 from 1 GitHub repository; a typical one measures about 143 × 123.4 mm and carries around 119 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Ultimate Hacking Keyboard - Right Main Board by UltimateHackingKeyboard.
Microcontrollers on boards using the IS31FL3731
What boards using the IS31FL3731 are built for
IS31FL3731: common questions
Where can I find a IS31FL3731 reference design?
Each of the 2 boards on this page is a real design using the IS31FL3731. 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 IS31FL3731 use?
Most are built on NXP (2).
How big is a typical board using the IS31FL3731?
The median is 143 × 123.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the IS31FL3731?
By GitHub stars, Ultimate Hacking Keyboard - Right Main Board by UltimateHackingKeyboard, with 177 stars.
Can I simulate one of these boards using the IS31FL3731 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.