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2 layers25 × 25 mmFT USB, the printed circuit board in 3D

An open source firesport timer designed for "fire attack" discipline

Size
25 × 25 mm
Copper layers
2
Thickness
1.6 mm
Parts
2
Nets
4
Pads
10
Tracks, vias
12, 0
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
18 Sep 2023
Updated
14 May 2025

Overview

FT USB is an open-source printed circuit board by Telekomak, from the Telekomak/FiresportTimer repository on GitHub. It is a 2-layer board of 25 × 25 mm with 2 parts on 4 nets, routed with 12 tracks and 0 vias.

Parts

2
QtyValueFootprintReferences
1Conn_01x04Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalCON302
1USB_BConnector_USB:USB_B_TE_5787834_VerticalCON301

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Questions

How big is the FT USB PCB?

It measures 25 × 25 mm and has 2 copper layers, 1.6 mm thick.

What parts does the FT USB 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 FT USB KiCad files?

From the Telekomak/FiresportTimer repository on GitHub, at the commit this page was made from: the board is PCB/FT_USB/FT_USB.kicad_pcb and its schematic PCB/FT_Hall/FT_Hall.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the FT USB design in my own project?

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