2 open source boards using the LM317_TO3
Real designs built with the LM317_TO3, 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.
ESP8266Soil Sensor Hub
ArtoLabs
98 × 91.1 mm74 parts2LMIT3
ESP8266Environment Controller KiCad THT
96 × 73 mm45 parts2LMIT3
The LM317_TO3 in open source designs
The gallery holds 2 open source boards using the LM317_TO3 from 1 GitHub repository; a typical one measures about 97 × 82 mm and carries around 60 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Soil Sensor Hub by ArtoLabs.
Microcontrollers on boards using the LM317_TO3
What boards using the LM317_TO3 are built for
LM317_TO3: common questions
Where can I find a LM317_TO3 reference design?
Each of the 2 boards on this page is a real design using the LM317_TO3. 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_TO3 use?
Most are built on ESP8266 (2).
How big is a typical board using the LM317_TO3?
The median is 97 × 82 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM317_TO3?
By GitHub stars, Soil Sensor Hub by ArtoLabs, with 3 stars.
Can I simulate one of these boards using the LM317_TO3 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.