99 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/RP2350PiCat
sbunger
21 × 51 mm35 parts2LGPL-3.02
ESP8266Curio
phybros
52.8 × 19.3 mm20 parts4LCC-BY-SA-4.02
RP2040/RP2350EIT-Machine
Alberta2514640
200 × 130 mm356 parts4LNo license1
RP2040/RP2350SGT SCREEN
Az154za
40 × 55 mm190 parts2LNo license1
ESP8266PixelFan LedLeiste
C3MA
343.3 × 297.3 mm160 parts2LNo license1
RP2040/RP2350VNTR-65
FanieVenter
370 × 120 mm126 parts2LNo license1
ESP32Null
jadenvv
40.5 × 80.2 mm121 parts4LNo license1
STM32Alakol
richardeoin
78 × 56 mm118 parts4LNo license1
RP2040/RP2350Kiwi board
mannireis
268.7 × 76.2 mm113 parts2LMIT1
RP2040/RP2350Generic radio stack
neilenns
225 × 108.1 mm107 parts2LMIT1
RP2040/RP2350JukeBox
FriendTeamInc
100 × 100 mm79 parts2LNo license1
RP2040/RP2350PHOBOS Control
K-Eckert15
34.7 × 49.9 mm74 parts2LNo license1
RP2040/RP2350PixApple
mrkingseasheep
50 × 35 mm66 parts4LGPL-3.01
RP2040/RP2350Hs3-arduino nano
hs3city
17.8 × 43.2 mm40 parts2LApache-2.01
ESP32-LED-driver hardware
m-c-tech
50 × 50 mm25 parts2LNo license1- schematic only · 34 partsRP2040/RP2350
64-controller to midi converter
turboOrange
34 partsNo license1 
RP2040/RP2350MacroBoard
NoxAevi
403.8 × 137.1 mm227 parts2LMIT0
RP2040/RP2350Beatsequencer
meh2481
200 × 150 mm178 parts2LUnlicense0
STM32Controls-Leader
lhr-solar
79.3 × 97.5 mm177 parts2LNo license0
RP2040/RP2350Kicad Keyboard
jjohnson2001
314.2 × 95.2 mm169 parts2LNo license0
RP2040/RP2350Alvestav lee thesis project-2025
alvestav
99.4 × 99.4 mm166 parts2LMIT0
RP2040/RP2350RightHand
gennartan
182.8 × 158.9 mm131 parts2LNo license0
RP2040/RP2350River
HenryLi-0
56 × 80 mm118 parts2LCERN-OHL-S-2.00
RP2040/RP2350Project-Gorgon-Hardware
RTGS-Lab
89.5 × 49.5 mm116 parts4LNo license0
RP2040/RP2350ECE36200-Group-Project
oonwuta
53.5 × 54 mm67 parts4LNo license0
RP2040/RP2350PCB
bhoppe-dev
100 × 79 mm61 parts4LBSD-2-Clause0
RP2040/RP2350BuhPod
Person-0
52 × 51 mm39 parts2LNo license0
RP2040/RP2350CTR-0
lnvke
21 × 51 mm38 parts2LCERN-OHL-W-2.00
Nordic nRFArrythmiX
TTF-fog
39.5 × 28.5 mm37 parts4LNo license0
RP2040/RP2350Devboard-Rp2040-
Magnu-Shaak
21 × 51 mm35 parts2LMIT0
STM32Stmdevboard
asadpetwalker
36.2 × 38.1 mm31 parts2LMIT0
RP2040/RP2350Custom-RP2040-Dev-Board
PartialScience
53.3 × 53.3 mm30 parts2LMIT0
RP2040/RP2350IMU-Stick
Merlin2LmmL
32.5 × 16.5 mm27 parts4LApache-2.00
USB armory Mk II debug accessory
usbarmory
45.7 × 25.9 mm37 parts2LNo license1.5k
RP2040/RP2350Wacca Touch Panel
FizzyApple12
254.9 × 231.1 mm101 parts2LNo license32
RP2040/RP2350Bizcard bkup
tjhorner
88.9 × 50.8 mm23 parts2LCC-BY-SA-4.015
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130