20 open source boards using the CP2102N-AXX-XQFN28
Real designs built with the CP2102N-AXX-XQFN28, 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.
ESP32Uncut Gem
QuantumVillage
82.1 × 82.1 mm110 parts2LAGPL-3.0197
Dc serial
cepawiel
37 × 26 mm15 parts2LNo license18
Expansion
kuku-199
52 × 43.4 mm52 parts2LNo license14
ESP32IOS-MoonLamp
mkhairyx
60 × 60 mm33 parts2LNo license3
ESP32Pilot 6 axis
X-Lemon-X
171 × 83.9 mm125 parts2LMIT2
ESP32PGR
Projeto-Guarda-Rios
67.5 × 44.4 mm75 parts4LMIT2
RP2040/RP2350LabNode-Nexus
aleko-khomasuridze
100 × 100 mm252 parts4LNo license1
ESP32Smart light socket for fire prevention
JhanqueliX
68.1 × 75 mm113 parts4LNo license1
ESP32ESP32Sensor
LESA-RPI
154.1 × 74 mm94 parts4LNo license1
ESP32Luma
notaroomba
40 × 58 mm78 parts2LNo license1
ESP32KiCad8 ESP32S3 DevModule wroom-1 DevelopementBoard
FrWA14
36.6 × 57.1 mm44 parts2LNo license1
ESP32FYP Motor R3
conorcurley5
54 × 59.8 mm35 parts4LNo license0- schematic only · 23 partsPIC
PIC16F1619-Custom-Development-Board
AKtronics
23 partsNo license0 
ESP32ESP32Sensor-Sensor board
38 × 60 mm86 parts4LNo license1
ESP32CO2 SENSOR
odobot
20 × 73.4 mm44 parts4LNo license1
ESP32Mni drone
harris8099
102.4 × 102.4 mm72 parts2LNo license0
ESP32Easyduino ESP32S3
Hanqaqa
25.9 × 63.9 mm35 parts4LCERN-OHL-P-2.0746
ESP32ESP32Sensor-LED board
58 × 58 mm48 parts4LNo license1
AVR/ArduinoEasyduino Atmega Nano
43.4 × 18 mm30 parts4LCERN-OHL-P-2.0746
ESP32Easyduino ESP32
28.4 × 47.9 mm29 parts4LCERN-OHL-P-2.0746
The CP2102N-AXX-XQFN28 in open source designs
The gallery holds 20 open source boards using the CP2102N-AXX-XQFN28 from 16 GitHub repositories; a typical one measures about 54 × 60 mm and carries around 50 components.
58% use four copper layers or more, and 30% carry an open source license.
The most starred is Easyduino ESP32S3 by Hanqaqa.
Parts used alongside the CP2102N-AXX-XQFN28
Microcontrollers on boards using the CP2102N-AXX-XQFN28
What boards using the CP2102N-AXX-XQFN28 are built for
CP2102N-AXX-XQFN28: common questions
Where can I find a CP2102N-AXX-XQFN28 reference design?
Each of the 20 boards on this page is a real design using the CP2102N-AXX-XQFN28. 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 CP2102N-AXX-XQFN28?
The AMS1117-3.3, ESP32-S3-WROOM-1, USBLC6-2SC6, ESP32-WROOM-32 and ESP32-WROOM-32E appear in the most repositories here.
Which microcontrollers do boards using the CP2102N-AXX-XQFN28 use?
Most are built on ESP32 (15), AVR/Arduino (1), PIC (1) and RP2040/RP2350 (1).
How big is a typical board using the CP2102N-AXX-XQFN28?
The median is 54 × 60 mm, and 42% are two-layer designs.
What is the most popular open source board using the CP2102N-AXX-XQFN28?
By GitHub stars, Easyduino ESP32S3 by Hanqaqa, with 746 stars.
Can I simulate one of these boards using the CP2102N-AXX-XQFN28 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.