66 open source boards using the NCP1117-3.3_SOT223
Real designs built with the NCP1117-3.3_SOT223, 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.
RP2040/RP2350DIY-Gaming-Mouse
wareya
49.8 × 61.7 mm53 parts2LNo license401
ESP8266Wifi game boy cartridge
Staacks
51.4 × 61 mm28 parts2LNo license238
STM32Ligra back
Jana-Marie
106.7 × 106.7 mm55 parts2LCERN-OHL-S-2.0215
ESP8266ME-ESP8266
MaloufSleep
66.8 × 34 mm73 parts2LMIT204
RP2040/RP2350Cyclic
tpcarlson
241.2 × 160 mm437 parts4LNo license106
STM32Buddy board-MINI
prusa3d
105 × 70 mm350 parts6LNo license64
RP2040/RP2350Buran-Ortho
ScatteredDrifter
224.4 × 97.8 mm100 parts2LCERN-OHL-P-2.046
RP2040/RP2350Afterglow
bitfieldlabs
128.7 × 81 mm196 parts2LNo license32
RP2040/RP2350Wacca Protocol Translator
FizzyApple12
161.5 × 106 mm108 parts2LNo license32- schematic only · 35 partsRP2040/RP2350
Dev expansion card
boredom101
35 partsMIT27 
NXPFjol
hallmar
184.7 × 110.7 mm204 parts2LNo license21
RP2040/RP2350PGM Pico Prog
MiSTer-devel
80.5 × 78.1 mm41 parts2LGPL-2.021
STM32Sduino uno
roybaer
68.6 × 53.3 mm45 parts2LNo license18
RP2040/RP2350Pedalboard hw
pedalboard
174 × 111 mm142 parts2LCERN-OHL-P-2.014
RP2040/RP2350Rp2040-business card
rsheldiii
37.8 × 32.5 mm47 parts2LCC-BY-SA-4.013
RP2040/RP2350Touchord
dovker
179 × 115 mm52 parts2LGPL-3.012
STM32Simple sdr
pd0wm
79.8 × 23.9 mm49 parts2LMIT11
RP2040/RP2350PicoLX
dj505
129.5 × 70.6 mm83 parts2LNo license8
RP2040/RP2350Rpboard squared
euvalennn
31.3 × 67 mm56 parts2LNo license8
STM32Buddy
bobc
105 × 70 mm350 parts6LMIT7
STM32Lboard2
electrodyssey
203.2 × 101.6 mm214 parts4LLGPL-3.07
RP2040/RP2350Platform16
lerouxb
112 × 86.3 mm108 parts2LNo license6
AVR/ArduinoOctogone Sans Regle
juthomas
130.4 × 124 mm106 parts2LNo license4
STM32Sduino mb
101.6 × 53.3 mm48 parts2LNo license4
STM32BPSMaster
corbosiny
100 × 75 mm174 parts2LNo license3
RP2040/RP2350ECE342 USB Oscilliscope
elliotnash
100 × 43.5 mm141 parts4LNo license3
RP2040/RP2350Panel
100 × 100 mm80 parts2LNo license3
STM32PCB Simon mount rev2
HTheolin
80.5 × 53.8 mm60 parts2LNo license3
RP2040/RP2350RP2350B QFN-80 Minimal Design Example
Bubi2001
52 × 71.5 mm45 parts2LMIT3
STM32GuitarFX
nicholasshort
70 × 85 mm118 parts4LNo license2
RP2040/RP2350Tool-Ponder
DiagnosticsMonkey
40 × 50 mm118 parts2LNo license2
ESP32NTerm2-S-FT231
RetepV
147.3 × 55.9 mm117 parts2LNo license2
RP2040/RP2350Piaa
soypat
98.6 × 53.8 mm104 parts2LGPL-2.02
Raspberry PiGranit
laenzlinger
92 × 99.5 mm102 parts4LCERN-OHL-P-2.02
RP2040/RP2350Neurodots
ki-manufaktur
91.5 × 71.5 mm72 parts2LNo license2
RP2040/RP2350PiCat
sbunger
21 × 51 mm35 parts2LGPL-3.02
The NCP1117-3.3_SOT223 in open source designs
The gallery holds 66 open source boards using the NCP1117-3.3_SOT223 from 56 GitHub repositories; a typical one measures about 91.5 × 71.5 mm and carries around 88 components.
82% are two-layer designs, the rest use four layers or more, and 42% carry an open source license.
The most starred is USB armory Mk II debug accessory by usbarmory.
Parts used alongside the NCP1117-3.3_SOT223
Microcontrollers on boards using the NCP1117-3.3_SOT223
What boards using the NCP1117-3.3_SOT223 are built for
NCP1117-3.3_SOT223: common questions
Where can I find a NCP1117-3.3_SOT223 reference design?
Each of the 66 boards on this page is a real design using the NCP1117-3.3_SOT223. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the NCP1117-3.3_SOT223?
The W25Q128JVS, RP2040, RP2350_80QFN, RP2350_60QFN and USBLC6-2SC6 appear in the most repositories here.
Which microcontrollers do boards using the NCP1117-3.3_SOT223 use?
Most are built on RP2040/RP2350 (38), STM32 (12), ESP32 (5) and ESP8266 (3).
How big is a typical board using the NCP1117-3.3_SOT223?
The median is 91.5 × 71.5 mm, and 82% are two-layer designs.
What is the most popular open source board using the NCP1117-3.3_SOT223?
By GitHub stars, USB armory Mk II debug accessory by usbarmory, with 1,498 stars.
Can I simulate one of these boards using the NCP1117-3.3_SOT223 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.