4 open source boards using the OPA4197
Real designs built with the OPA4197, 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/RP2350Pico H-bridge complete
rosstimo
84.1 × 66 mm77 parts4LCC-BY-NC-4.01
STM32Fieldmill
haunma
102 × 102 mm112 parts4LCC-BY-SA-4.01
RP2040/RP2350MotorInterfacePiPico
120.3 × 65.5 mm47 parts2LCC-BY-NC-4.01
STM32Fieldmill2
102 × 102 mm112 parts4LCC-BY-SA-4.01
The OPA4197 in open source designs
The gallery holds 4 open source boards using the OPA4197 from 2 GitHub repositories; a typical one measures about 102 × 84 mm and carries around 95 components.
75% use four copper layers or more, and 50% carry an open source license.
The most starred is Fieldmill by haunma.
Microcontrollers on boards using the OPA4197
OPA4197: common questions
Where can I find a OPA4197 reference design?
Each of the 4 boards on this page is a real design using the OPA4197. 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 OPA4197 use?
Most are built on RP2040/RP2350 (2) and STM32 (2).
How big is a typical board using the OPA4197?
The median is 102 × 84 mm, and 25% are two-layer designs.
What is the most popular open source board using the OPA4197?
By GitHub stars, Fieldmill by haunma, with 1 stars.
Can I simulate one of these boards using the OPA4197 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.