2 open source boards using the LM1117S-3.3
Real designs built with the LM1117S-3.3, 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.
RISC-VCh32v006-dev board
rmingon
25 × 41.3 mm26 parts2LNo license3
STM32Asynth2osc
madees
69 × 106 mm194 parts4LGPL-3.00
The LM1117S-3.3 in open source designs
The gallery holds 2 open source boards using the LM1117S-3.3 from 2 GitHub repositories; a typical one measures about 47 × 73.6 mm and carries around 110 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Ch32v006-dev board by rmingon.
What boards using the LM1117S-3.3 are built for
LM1117S-3.3: common questions
Where can I find a LM1117S-3.3 reference design?
Each of the 2 boards on this page is a real design using the LM1117S-3.3. 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 LM1117S-3.3 use?
Most are built on RISC-V (1) and STM32 (1).
How big is a typical board using the LM1117S-3.3?
The median is 47 × 73.6 mm, and 50% are two-layer designs.
What is the most popular open source board using the LM1117S-3.3?
By GitHub stars, Ch32v006-dev board by rmingon, with 3 stars.
Can I simulate one of these boards using the LM1117S-3.3 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.