6 open source boards using the LM317_TO-252
Real designs built with the LM317_TO-252, 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.
LM317regulador
Pacheco55
55 × 35 mm11 parts2LNo license3PIC
SimpleDigital
codeandrelax
75 × 78 mm127 parts2LMIT1PI wt hold for laser intensity lock
JQIamo
62.8 × 172 mm124 parts4LNo license1AVR/Arduino
BDCMotorController
nunosousa
203.5 × 90 mm313 parts4LMIT0AVR/Arduino
Pdb
0x007E
77.5 × 50.8 mm110 parts2LCC-BY-NC-4.00PIC
SimpleDigital THT electrolytes
codeandrelax
75 × 78 mm118 parts2LMIT1
The LM317_TO-252 in open source designs
The gallery holds 6 open source boards using the LM317_TO-252 from 5 GitHub repositories; a typical one measures about 75 × 78 mm and carries around 121 components.
67% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is LM317regulador by Pacheco55.
Microcontrollers on boards using the LM317_TO-252
What boards using the LM317_TO-252 are built for
LM317_TO-252: common questions
Where can I find a LM317_TO-252 reference design?
Each of the 6 boards on this page is a real design using the LM317_TO-252. 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-252 use?
Most are built on AVR/Arduino (2) and PIC (2).
How big is a typical board using the LM317_TO-252?
The median is 75 × 78 mm, and 67% are two-layer designs.
What is the most popular open source board using the LM317_TO-252?
By GitHub stars, LM317regulador by Pacheco55, with 3 stars.
Can I simulate one of these boards using the LM317_TO-252 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.