4 layers91 × 53.1 mm
Nff pcb
o7-machinehum/flipper-blackhat
Linux based WiFi pentesting device for the Flipper Zero.
184 parts300
Boards using the CH340C
701 boardsBoards in 580 GitHub repositories, designed in KiCad, that use the CH340C by WCH (Nanjing Qinheng Microelectronics) (-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHS). See how each wires it, with its parts, size, README and files; the CH340C’s symbol, footprint and pinout are on its own page.
- 2 layers66.8 × 34 mm
- 2 layers13.7 × 21.4 mm
- 2 layers192.4 × 50 mm
- 2 layers84.2 × 52 mm
- 4 layers43 × 49 mm
- 2 layers36 × 58 mm
Ups adaptor
aronreid/ups-to-esp32
Put a USB-only UPS on the network: an ESP32-S3 board and firmware that serves NUT on TCP 3493, with a web UI. No host computer, no Raspberry Pi.
38 parts130GPL-3.0 - 2 layers85 × 56 mm
- 2 layers87.5 × 77.5 mm
Panel
jpconstantineau/NRF52-Board
This Repository is a collection of NRF5x boards.
143 parts100BSD-3-Clause - 2 layers90.2 × 90 mm
Sra dev board 2026
SRA-VJTI/sra-board-hardware-design
ESP32-based Development Board for Robotics and Embedded Applications
219 parts81MIT - 4 layers138.1 × 104.6 mm
V7-kaleido
vroland/epdiy-hardware
Hardware design files for EPDiy: https://github.com/vroland/epdiy.
140 parts75CC-BY-SA-4.0 - 4 layers101.6 × 53.3 mm
- 2 layers150 × 114.9 mm
- 4 layers62.5 × 60 mm
Unijoysticle2 c64
ricardoquesada/unijoysticle2
Bluetooth gamepad support for the Commodore 64 / Atari / Amiga, etc.
58 parts62 - 2 layers99.5 × 90.5 mm
- 2 layers71.2 × 38.1 mm
- 2 layers102 × 102 mm
- 2 layers196 × 104 mm
- 2 layers69 × 43.2 mm
Rev 4 ESP Speaker 2row esp.kicad pro
zyyan20h/DissolvPCB
This Github repository contains the Python macro component used during the DissolvPCB fabrication process. The macro enables users to design custom PCB assemblies using standard practices, then automatically convert the…
39 parts26 - 2 layers139.7 × 88.9 mm
- 2 layers41 × 87 mm
Dif pressure meter
ardiloot/dif-pressure-meter
ESP32 based differential pressure (and air flow) meter. Handheld, battery powered DIY device for measuring small pressure differences (Sensirion SDP810-500Pa).
68 parts23MIT - 2 layers26 × 30 mm
USB C to UART
jyancat/UART-Expansion-Card
Design files for the UART expansion card, please note this is a tested and working expansion card. Licensed under CERN-OHL-S-2.0. Uses the CH340C with switchable power and logic levels (5V and 3V3)
16 parts23 - 2 layers40 × 20 mm
- 2 layers21.6 × 60 mm
CheeseDip
upsidedownlabs/MSP430-Breadstick
Texas Instrument MSP430G2553 based development board.
63 parts22