2 open source boards using the LM3940IT-3.3/NOPB
Real designs built with the LM3940IT-3.3/NOPB, 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/ArduinoVoidLens-DIY-VR-Headset-Prototype1
scattercat-123
88.2 × 45.5 mm15 parts2LNo license1
ESP32Antenna board
Olin-Rocketry
88.9 × 92.5 mm25 parts2LNo license0
The LM3940IT-3.3/NOPB in open source designs
The gallery holds 2 open source boards using the LM3940IT-3.3/NOPB from 2 GitHub repositories; a typical one measures about 88.5 × 69 mm and carries around 20 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is VoidLens-DIY-VR-Headset-Prototype1 by scattercat-123.
Microcontrollers on boards using the LM3940IT-3.3/NOPB
What boards using the LM3940IT-3.3/NOPB are built for
LM3940IT-3.3/NOPB: common questions
Where can I find a LM3940IT-3.3/NOPB reference design?
Each of the 2 boards on this page is a real design using the LM3940IT-3.3/NOPB. 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 LM3940IT-3.3/NOPB use?
Most are built on AVR/Arduino (1) and ESP32 (1).
How big is a typical board using the LM3940IT-3.3/NOPB?
The median is 88.5 × 69 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM3940IT-3.3/NOPB?
By GitHub stars, VoidLens-DIY-VR-Headset-Prototype1 by scattercat-123, with 1 stars.
Can I simulate one of these boards using the LM3940IT-3.3/NOPB 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.