2 layers100 × 90 mm
2 layers62.3 × 62.5 mm
Switchboard
lytex/miscPCBs that don't go in any particular repo
- Size
- 62.3 × 62.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 46
- Pads
- 157
- Tracks, vias
- 231, 5
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 19 Jan 2026
- Updated
- 20 May 2026
Overview
Switchboard is an open-source printed circuit board by lytex, from the lytex/misc repository on GitHub, published under the LGPL-2.1 licence. It is a 2-layer board of 62.3 × 62.5 mm with 39 parts on 46 nets, routed with 231 tracks and 5 vias.
It is built around the CD4051BE, CD4052BM and CD4053BE. Its parts include 22 connectors, 11 resistors, 3 capacitors and 3 ICs.
Main components
3
CD4051BE
PDIP-16-55℃~+125℃ 125Ω 20MHz 3V~20V 450ns 8 8:1 PDIP-16 Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
CD4052BM
SOP-16-55℃~+125℃ 15ns 2 40MHz 4:1 5V~15V 80Ω Level shifting SOP-16 Analog Switches, Multiplexers ROHSJSMSEMIAnalog Switches, MultiplexersCD4053BE
DIP-16-40℃~+85℃ 0.2pF 2:1 3 3V~15V 7ns 90Ω Bidirectional analog channel、Level shifting、Glitch-free switching DIP-16 Analog Switches, Multiplexers ROHSHGSEMIAnalog Switches, Multiplexers
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 |
| 4 | Mult | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J19, J20, J21, J22 |
| 3 | 100nF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C2, C3 |
| 3 | INH | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J9, J13, J14 |
| 2 | X | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J6, J10 |
| 1 | 0 1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J15 |
| 1 | 0 1 2 3 4 5 6 7 | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical | J1 |
| 1 | A B C | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J12 |
| 1 | A B C | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | A0 A1 | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J16 |
| 1 | B0 B1 | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J17 |
| 1 | C0 C1 | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J18 |
| 1 | CD4051B | Package_DIP:DIP-16_W7.62mm | U3 |
| 1 | CD4052B | Package_DIP:DIP-16_W7.62mm | U2 |
| 1 | CD4053B | Package_DIP:DIP-16_W7.62mm | U1 |
| 1 | GND | Connector_PinHeader_2.54mm:PinHeader_2x01_P2.54mm_Vertical | J8 |
| 1 | SA SB SC | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | VCC | Connector_PinHeader_2.54mm:PinHeader_2x01_P2.54mm_Vertical | J7 |
| 1 | X0 X1 X2 X3 | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | Y | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J11 |
| 1 | Y0 Y1 Y2 Y3 | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J3 |
Questions
How big is the Switchboard PCB?
It measures 62.3 × 62.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Switchboard use?
39 parts, built around the CD4051BE, CD4052BM and CD4053BE. 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 Switchboard KiCad files?
From the lytex/misc repository on GitHub, at the commit this page was made from: the board is switchboard/switchboard.kicad_pcb and its schematic 40106 monostable/40106 monostable.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Switchboard design in my own project?
Its repository publishes it under the LGPL-2.1 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
More from lytex/misc
9- 2 layers58.3 × 67 mm
- 2 layers120 × 70 mm
- 2 layers30 × 110 mm
- 2 layers73.7 × 50.8 mm
- 2 layers60 × 63 mm
- 2 layers64 × 50 mm
- 2 layers64 × 50 mm
- 2 layers53.6 × 56.8 mm
Similar boards
- 2 layers
- 2 layers150 × 120 mm
- 4 layers138 × 114 mm
Glitchwave567
jdg511/567Terror
Software simulation of the Glitchwave 567 (LM567 glitch pedal) — JUCE Standalone + VST3
299 partsMIT - 2 layers190 × 111 mm
RetroCom
SamyIOoOI/RetroCom
A 4-Station one-to-one two-way INTERCOM built around the AT89C52-PI24 RetroMCU (8051 Core).
92 partsGPL-3.0 - 4 layers111 × 110 mm
Complex vco ranged
lennartquerter/euro-rack-synth
Lenimal Github for DIY for a Eurorack Synth
234 parts13 - 4 layers180.9 × 110 mm
- 2 layers147.4 × 63.2 mm
Guitar down octave
MR-DOS/guitar_down_octave
A octave-down effect for guitar. All analog, no microcontroller, no DSP.
219 parts5GPL-3.0 - 2 layers68.6 × 53.3 mm
INK-128DA28
TheEccentricGenius/INK4u_Board
An UNO form factor board with a AVR128DA28 processor.
59 parts5CERN-OHL-W-2.0