6 open source boards using the 1117-3.3
Real designs built with the 1117-3.3, 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.
STM32Qaxe
shufps
89 × 137 mm192 parts4LCERN-OHL-S-2.0244
ESP8266PC-KHARON-386-MAIN
UzixLS
100 × 100 mm157 parts4LCC-BY-SA-4.0111
STM32USB-C-Screen-Adapter
Jana-Marie
40 × 20.8 mm60 parts4LGPL-3.068
PC-KHARON-386-TOP
100 × 100 mm149 parts4LCC-BY-SA-4.0111
USB-C-Screen-Adapter-LDR6023SS
31 × 34.4 mm40 parts2LGPL-3.068
OtterScreen
44.8 × 31.4 mm31 parts2LGPL-3.068
The 1117-3.3 in open source designs
The gallery holds 6 open source boards using the 1117-3.3 from 3 GitHub repositories; a typical one measures about 66.9 × 67.2 mm and carries around 105 components.
67% use four copper layers or more, and 100% carry an open source license.
The most starred is Qaxe by shufps.
What boards using the 1117-3.3 are built for
1117-3.3: common questions
Where can I find a 1117-3.3 reference design?
Each of the 6 boards on this page is a real design using the 1117-3.3. 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 1117-3.3 use?
Most are built on STM32 (2) and ESP8266 (1).
How big is a typical board using the 1117-3.3?
The median is 66.9 × 67.2 mm, and 33% are two-layer designs.
What is the most popular open source board using the 1117-3.3?
By GitHub stars, Qaxe by shufps, with 244 stars.
Can I simulate one of these boards using the 1117-3.3 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.