4 layers16.9 × 119.4 mm
2 layers66 × 33 mm
Usb serial converter
unerqa/unerqa_usb-serial-converter- Size
- 66 × 33 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 35
- Pads
- 88
- Tracks, vias
- 109, 4
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 15 Jun 2026
- Updated
- 15 Jun 2026
Overview
Usb serial converter is an open-source printed circuit board by unerqa, from the unerqa/unerqa_usb-serial-converter repository on GitHub. It is a 2-layer board of 66 × 33 mm with 12 parts on 35 nets, routed with 109 tracks and 4 vias.
It is built around the USBLC6-2SC6. Its parts include 4 resistors, 2 capacitors, 2 ICs, 2 diodes and 2 connectors. It belongs with the interfaces and adapters boards of this library.
Main components
1Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | LED | LED_SMD:LED_0805_2012Metric | D1, D2 |
| 1 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 4.7uF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | CP2102N-Axx-xQFN28 | Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm | U1 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal | J2 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
Questions
How big is the Usb serial converter PCB?
It measures 66 × 33 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Usb serial converter use?
12 parts, built around the USBLC6-2SC6. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Usb serial converter KiCad files?
From the unerqa/unerqa_usb-serial-converter repository on GitHub, at the commit this page was made from: the board is usb-serial-converter.kicad_pcb and its schematic usb-serial-converter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Usb serial converter design in my own project?
Its repository states no licence, so its author keeps all rights: ask unerqa before reusing the design.
Similar boards
- 2 layers290.1 × 130 mm
- 4 layers95 × 55.5 mm
EinkPDA keyboard
TalismanDesign/PocketMage_PDA
An E-Ink PDA device using the ESP32 S3.
137 parts2kApache-2.0 - 4 layers299 × 127 mm
- 2 layers42 × 67 mm
- 2 layers134 × 88 mm
Tulipcc
shorepine/tulipcc
The Tulip Creative Computer and AMYboard - portable Python synthesizers
103 parts978 - 4 layers70.8 × 108 mm
- 4 layers28.2 × 26.1 mm
DongleHiderPlus PCB
LeoDJ/FW-EC-DongleHiderPlus
Framework Expansion Card that includes a USB hub to hide a bare dongle inside and still have a USB-A port externally
23 parts497CERN-OHL-W-2.0