

Timer
Keep Talking and Nobody Explodes - Physical Edition
- Size
- 114 × 74 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 100
- Nets
- 50
- Pads
- 291
- Tracks, vias
- 368, 110
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 3 Apr 2021
- Updated
- 21 Oct 2026
Overview
Timer is an open-source printed circuit board by melair, from the melair/ktane repository on GitHub. It is a 2-layer board of 114 × 74 mm with 100 parts on 50 nets, routed with 368 tracks and 110 vias.
Its parts include 47 capacitors, 47 diodes and 1 connector.
README
README.mdKeep Talking and Nobody Explodes - Physical Version
Version Two
This is version two of my Keep Talking and Nobody Explodes physical bomb, you may refer to the version-one branch if you wish to see the first version progress.
Parts
100| Qty | Value | Footprint | References |
|---|---|---|---|
| 47 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23 +31 |
| 47 | WS2812B-6028 | KTANE:LED_RGB_SMD_6028_2.8x3.5mm_Square | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +31 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 1 | In | Connector_JST:JST_PH_B3B-PH-SM4-TB_1x03-1MP_P2.00mm_Vertical | J1 |
| 1 | LOGO | KTANE:KTANEIRL-0505 | G*** |
Questions
How big is the Timer PCB?
It measures 114 × 74 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Timer use?
100 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 Timer KiCad files?
From the melair/ktane repository on GitHub, at the commit this page was made from: the board is PCB/Others/Timer/Timer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Timer design in my own project?
Its repository states no licence, so its author keeps all rights: ask melair before reusing the design.
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