2 open source boards using the LM317_SOT223
Real designs built with the LM317_SOT223, 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.
STM32Motor Card-V1
robotronik
140 × 60 mm94 parts2LNo license1
PICMimas
numato
66.1 × 62.2 mm89 parts2LNo license143
The LM317_SOT223 in open source designs
The gallery holds 2 open source boards using the LM317_SOT223 from 2 GitHub repositories; a typical one measures about 103 × 61.1 mm and carries around 92 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Mimas by numato.
LM317_SOT223: common questions
Where can I find a LM317_SOT223 reference design?
Each of the 2 boards on this page is a real design using the LM317_SOT223. 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 LM317_SOT223 use?
Most are built on PIC (1) and STM32 (1).
How big is a typical board using the LM317_SOT223?
The median is 103 × 61.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM317_SOT223?
By GitHub stars, Mimas by numato, with 143 stars.
Can I simulate one of these boards using the LM317_SOT223 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.