2 layers337.6 × 133 mm
2 layers181.3 × 187 mm
Logic gates
alfpedraza/electronicsKiCad Electronics Projects
- Size
- 181.3 × 187 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 156
- Nets
- 129
- Pads
- 338
- Tracks, vias
- 1,131, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 13 Jul 2022
- Updated
- 2 Sep 2025
Overview
Logic gates is an open-source printed circuit board by alfpedraza, from the alfpedraza/electronics repository on GitHub. It is a 2-layer board of 181.3 × 187 mm with 156 parts on 129 nets, routed with 1,131 tracks and 0 vias.
It is built around the BC547. Its parts include 83 resistors, 27 transistors, 22 diodes, 15 switches and 1 connector.
Main components
1README
README.mdelectronics
KiCad Electronics Projects
Parts
156| Qty | Value | Footprint | References |
|---|---|---|---|
| 45 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R10, R11, R12, R18, R19, R21, R22, R23, R24, R25, R26, R29, R32 +29 |
| 27 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R13, R14, R15, R20, R27, R28, R30, R31, R34, R42, R43, R44, R52, R53, R54 +11 |
| 27 | BC547 | Package_TO_SOT_THT:TO-92_Wide | Q1, Q2, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, Q20, Q21, Q22, Q23 +11 |
| 22 | LED | LED_THT:LED_D5.0mm | D1, D2, D3, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22 +6 |
| 15 | SW_SPDT | Switches:SW_500SSP1S2M2QEA | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15 |
| 8 | LOGO | LOGO | AND, BUFFER, NAND, NOR, NOT, OR, XNOR, XOR |
| 5 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8, R17, R36, R37, R61 |
| 4 | 330 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7, R16, R60, R82 |
| 1 | 120k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R35 |
| 1 | 4.7k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R45 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1 |
Questions
How big is the Logic gates PCB?
It measures 181.3 × 187 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Logic gates use?
156 parts, built around the BC547. 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 Logic gates KiCad files?
From the alfpedraza/electronics repository on GitHub, at the commit this page was made from: the board is logic-gates/logic-gates.kicad_pcb and its schematic digital-clocks/clock-clock-signal.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Logic gates design in my own project?
Its repository states no licence, so its author keeps all rights: ask alfpedraza before reusing the design.
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