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2 layers44.4 × 50.1 mmDeskLightGithub, the printed circuit board in 3D

A PCB in the shape of the GitHub cat that lights up more as it becomes darker

Size
44.4 × 50.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
11
Pads
29
Tracks, vias
87, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
12 Jun 2025
Updated
13 Jun 2025

Overview

DeskLightGithub is an open-source printed circuit board by shreeyuvan2020, from the shreeyuvan2020/DeskGitLight repository on GitHub. It is a 2-layer board of 44.4 × 50.1 mm with 14 parts on 11 nets, routed with 87 tracks and 0 vias.

Its parts include 5 resistors, 2 diodes and 2 transistors.

README

README.md

DeskGitLight

A PCB in the shape of the GitHub cat that lights up more as it becomes darker!

BOM:

  • 1x Battery Holder
  • 2x Potentiometer
  • 2x LED
  • 1x Photoresistor
  • 2x NPN Transistor
  • 2x 910 ohm resistor
  • 2x 220 Ohm resistor

Schematic:

PCB:

Features:

  • Orpheus AND git silkscreen art!
  • The ears of the github cat light up!
  • Perfectly traced outline of the github cat(at least that's what I think)
  • 5V Battery
  • Compact PCB loaded with components and silkscreen art

Made as a part of solder.hackclub.com :D

Parts

14
QtyValueFootprintReferences
4RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR2, R3, R4, R5
2LEDLED_THT:LED_D5.0mmD1, D6
2LOGOLOGOG***, G***
2NPNPackage_TO_SOT_THT:TO-92L_HandSolderQ1, Q2
2R_PotentiometerPotentiometer_THT:Potentiometer_Vishay_T73YP_VerticalRV1, RV6
1Battery_CellBattery:BatteryHolder_Keystone_3034_1x20mmBT1
1R_PhotoOptoDevice:R_LDR_5.1x4.3mm_P3.4mm_VerticalR1

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Questions

How big is the DeskLightGithub PCB?

It measures 44.4 × 50.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the DeskLightGithub use?

14 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 DeskLightGithub KiCad files?

From the shreeyuvan2020/DeskGitLight repository on GitHub, at the commit this page was made from: the board is DeskLightGithub.kicad_pcb and its schematic DeskLightGithub.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the DeskLightGithub design in my own project?

Its repository states no licence, so its author keeps all rights: ask shreeyuvan2020 before reusing the design.