

De0gp0leds
PDP-8/V Vacuum Tube PDP-8 implementation
- Size
- 109.2 × 61 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 140
- Nets
- 141
- Pads
- 352
- Tracks, vias
- 346, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 29 Feb 2024
- Updated
- 28 Oct 2026
Overview
De0gp0leds is an open-source printed circuit board by mrieker, from the mrieker/pdp8v repository on GitHub. It is a 4-layer board of 109.2 × 61 mm with 140 parts on 141 nets, routed with 346 tracks and 0 vias.
Its parts include 68 resistors, 34 diodes, 34 transistors, 3 capacitors and 1 connector.
Parts
140| Qty | Value | Footprint | References |
|---|---|---|---|
| 34 | 2N3904 | TO_SOT_Packages_THT:TO-92_Molded_Wide | Q1, Q2, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, Q20, Q21, Q22, Q23 +18 |
| 34 | 390 | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4, R5, R10, R11, R12, R13, R14, R15, R16, R51, R52, R53, R54 +18 |
| 34 | 4.7K | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32 +18 |
| 34 | LED | LEDs:LED_D3.0mm | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +18 |
| 3 | 0.1u | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | C1, C2, C3 |
| 1 | DEO_GP0 | Pin_Headers:Pin_Header_Straight_2x20_Pitch2.54mm | J1 |
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Questions
How big is the De0gp0leds PCB?
It measures 109.2 × 61 mm and has 4 copper layers, 1.6 mm thick.
What parts does the De0gp0leds use?
140 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 De0gp0leds KiCad files?
From the mrieker/pdp8v repository on GitHub, at the commit this page was made from: the board is kicads/de0gp0leds/de0gp0leds.kicad_pcb and its schematic kicads/IOW100Paddle/IOW100Paddle.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the De0gp0leds design in my own project?
Its repository states no licence, so its author keeps all rights: ask mrieker before reusing the design.