2 open source boards using the LM317_TO-263
Real designs built with the LM317_TO-263, 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/RP2350Fara 4 warriors
AndreyUdeneew
88.4 × 46.1 mm76 parts2LNo license0
ESP32Big Daddy
uvmaero
245.5 × 127 mm124 parts4LNo license0
The LM317_TO-263 in open source designs
The gallery holds 2 open source boards using the LM317_TO-263 from 2 GitHub repositories; a typical one measures about 166.9 × 86.6 mm and carries around 100 components.
50% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Big Daddy by uvmaero.
Microcontrollers on boards using the LM317_TO-263
LM317_TO-263: common questions
Where can I find a LM317_TO-263 reference design?
Each of the 2 boards on this page is a real design using the LM317_TO-263. 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_TO-263 use?
Most are built on ESP32 (1) and RP2040/RP2350 (1).
How big is a typical board using the LM317_TO-263?
The median is 166.9 × 86.6 mm, and 50% are two-layer designs.
What is the most popular open source board using the LM317_TO-263?
By GitHub stars, Big Daddy by uvmaero, with 0 stars.
Can I simulate one of these boards using the LM317_TO-263 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.