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2 layers18 × 21.7 mmUsb plug, the printed circuit board in 3D

Plugs into relay and can be used to provide switchable 5V USB power to downstream devices.

Size
18 × 21.7 mm
Copper layers
2
Thickness
1.6 mm
Parts
2
Nets
4
Pads
10
Tracks, vias
8, 0
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
4 Oct 2026
Updated
5 Oct 2026

Overview

Usb plug is an open-source printed circuit board by florolf, from the florolf/lab-automation repository on GitHub. It is a 2-layer board of 18 × 21.7 mm with 2 parts on 4 nets, routed with 8 tracks and 0 vias.

README

hw/usb-plug/README.md

USB plug

Plugs into relay and can be used to provide switchable 5V USB power to downstream devices.

Parts

2
QtyValueFootprintReferences
1IMC 1,5/ 2-G-3,81local:PhoenixContact_1862577J1
1USB_AConnector_USB:USB_A_CONNFLY_DS1095-WNR0J2

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Questions

How big is the Usb plug PCB?

It measures 18 × 21.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Usb plug use?

2 parts. 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 plug KiCad files?

From the florolf/lab-automation repository on GitHub, at the commit this page was made from: the board is hw/usb-plug/usb-plug.kicad_pcb and its schematic hw/base/main.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Usb plug design in my own project?

Its repository states no licence, so its author keeps all rights: ask florolf before reusing the design.