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2 layers63 × 38.3 mmLEDFLASHLIGHT, the printed circuit board in 3D

A tiny keychain-sized LED flashlight powered by a coin cell battery.

Size
63 × 38.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
4
Nets
4
Pads
12
Tracks, vias
10, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Jun 2026
Updated
30 Jun 2026

Overview

LEDFLASHLIGHT is an open-source printed circuit board by soumil210, from the soumil210/LedFlashlighttry2 repository on GitHub. It is a 2-layer board of 63 × 38.3 mm with 4 parts on 4 nets, routed with 10 tracks and 0 vias.

Its parts include 1 resistor, 1 diode and 1 switch.

README

README.md

LED Flashlight

A tiny keychain-sized LED flashlight powered by a coin cell battery.

How it works

Press the button (SW2) to light the LED (D2). Release to turn it off.

Build it

  1. Order the PCB from production folder.
  2. Order the parts in bom.csv.
  3. Solder it together.
  4. Insert a CR1225/BR1225 coin cell and press the button.

License

Free to use, modify, and build.

Parts

4
QtyValueFootprintReferences
1Battery_CellS8201-46R:HARWIN_S8201-46RBT2
1LEDLED_THT:LED_D5.0mmD2
1RDiode_THT:D_DO-41_SOD81_P10.16mm_HorizontalR2
1SW_SPSTButton_Switch_THT:KSA_Tactile_SPSTSW2

Questions

How big is the LEDFLASHLIGHT PCB?

It measures 63 × 38.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the LEDFLASHLIGHT use?

4 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 LEDFLASHLIGHT KiCad files?

From the soumil210/LedFlashlighttry2 repository on GitHub, at the commit this page was made from: the board is PCB/LEDFLASHLIGHT.kicad_pcb and its schematic PCB/LEDFLASHLIGHT.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the LEDFLASHLIGHT design in my own project?

Its repository states no licence, so its author keeps all rights: ask soumil210 before reusing the design.

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