2 open source boards using the LM337_TO220
Real designs built with the LM337_TO220, 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.
AVR/ArduinoEV Charger
fotherja
118 × 103.5 mm53 parts2LMIT166
Eurorack psu
jojo-monk
203.8 × 88.6 mm42 parts2LNo license1
The LM337_TO220 in open source designs
The gallery holds 2 open source boards using the LM337_TO220 from 2 GitHub repositories; a typical one measures about 160.9 × 96 mm and carries around 48 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is EV Charger by fotherja.
Microcontrollers on boards using the LM337_TO220
What boards using the LM337_TO220 are built for
LM337_TO220: common questions
Where can I find a LM337_TO220 reference design?
Each of the 2 boards on this page is a real design using the LM337_TO220. 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 LM337_TO220 use?
Most are built on AVR/Arduino (1).
How big is a typical board using the LM337_TO220?
The median is 160.9 × 96 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM337_TO220?
By GitHub stars, EV Charger by fotherja, with 166 stars.
Can I simulate one of these boards using the LM337_TO220 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.