

2FALCD
Keep Talking and Nobody Explodes - Physical Edition
- Size
- 65 × 20 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 31
- Pads
- 63
- Tracks, vias
- 97, 21
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 3 Apr 2021
- Updated
- 21 Oct 2026
Overview
2FALCD is an open-source printed circuit board by melair, from the melair/ktane repository on GitHub. It is a 2-layer board of 65 × 20 mm with 15 parts on 31 nets, routed with 97 tracks and 21 vias.
Its parts include 6 connectors, 2 capacitors, 1 resistor, 1 IC and 1 switch.
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
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0.1μF | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H3 |
| 1 | /INT | KTANE:Pad4x2 | J3 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | GND | KTANE:Pad4x2 | J7 |
| 1 | HT16C21A-28 | Package_SO:SOP-28_8.4x18.16mm_P1.27mm | U1 |
| 1 | Interact | KTANE:PTS526Sx15SMTR2xLFS | SW1 |
| 1 | LOGO | KTANE:KTANEIRL-0505 | G*** |
| 1 | SCL | KTANE:Pad4x2 | J5 |
| 1 | SDA | KTANE:Pad4x2 | J4 |
| 1 | VCC | KTANE:Pad4x2 | J2 |
| 1 | VLCD | KTANE:Pad4x2 | J6 |
| 1 | ~ | KTANE:LCDGlass-6Digit | DS1 |
Questions
How big is the 2FALCD PCB?
It measures 65 × 20 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 2FALCD use?
15 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 2FALCD KiCad files?
From the melair/ktane repository on GitHub, at the commit this page was made from: the board is PCB/Others/2FALCD/2FALCD.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the 2FALCD 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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