2 open source boards using the IS31FL3729-QFLS4
Real designs built with the IS31FL3729-QFLS4, 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.
RP2040/RP2350Seven Segment Main Board
cscott
33.8 × 131 mm70 parts2LNo license2
RP2040/RP2350Microcouple
georgesleen
29.5 × 34.3 mm129 parts4LMIT0
The IS31FL3729-QFLS4 in open source designs
The gallery holds 2 open source boards using the IS31FL3729-QFLS4 from 2 GitHub repositories; a typical one measures about 31.7 × 82.6 mm and carries around 100 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Seven Segment Main Board by cscott.
Parts used alongside the IS31FL3729-QFLS4
Microcontrollers on boards using the IS31FL3729-QFLS4
What boards using the IS31FL3729-QFLS4 are built for
IS31FL3729-QFLS4: common questions
Where can I find a IS31FL3729-QFLS4 reference design?
Each of the 2 boards on this page is a real design using the IS31FL3729-QFLS4. 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 IS31FL3729-QFLS4 use?
Most are built on RP2040/RP2350 (2).
How big is a typical board using the IS31FL3729-QFLS4?
The median is 31.7 × 82.6 mm, and 50% are two-layer designs.
What is the most popular open source board using the IS31FL3729-QFLS4?
By GitHub stars, Seven Segment Main Board by cscott, with 2 stars.
Can I simulate one of these boards using the IS31FL3729-QFLS4 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.