3 open source boards using the IS31FL3737
Real designs built with the IS31FL3737, 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.
NXPUHK 60 v2 - Right Half
UltimateHackingKeyboard
150.1 × 123.4 mm162 parts2LCC-BY-NC-4.011
RP2040/RP2350SGT SCREEN
Az154za
40 × 55 mm190 parts2LNo license1
NXPUHK 60 v2 - Left Half
136.4 × 123.4 mm139 parts2LCC-BY-NC-4.011
The IS31FL3737 in open source designs
The gallery holds 3 open source boards using the IS31FL3737 from 2 GitHub repositories; a typical one measures about 136.4 × 123.4 mm and carries around 162 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is UHK 60 v2 - Right Half by UltimateHackingKeyboard.
Microcontrollers on boards using the IS31FL3737
IS31FL3737: common questions
Where can I find a IS31FL3737 reference design?
Each of the 3 boards on this page is a real design using the IS31FL3737. 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 IS31FL3737 use?
Most are built on NXP (2) and RP2040/RP2350 (1).
How big is a typical board using the IS31FL3737?
The median is 136.4 × 123.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the IS31FL3737?
By GitHub stars, UHK 60 v2 - Right Half by UltimateHackingKeyboard, with 11 stars.
Can I simulate one of these boards using the IS31FL3737 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.