2 layers107 × 54 mm
2 layers75.3 × 129.5 mm
BreadBoard
ZorgEffects/Breadboard_BreakoutPCB of breakout board for breadboards
- Size
- 75.3 × 129.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 62
- Nets
- 73
- Pads
- 210
- Tracks, vias
- 428, 70
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 5 Nov 2025
- Updated
- 5 Nov 2025
Overview
BreadBoard is an open-source printed circuit board by ZorgEffects, from the ZorgEffects/Breadboard_Breakout repository on GitHub. It is a 2-layer board of 75.3 × 129.5 mm with 62 parts on 73 nets, routed with 428 tracks and 70 vias.
It is built around the NE555D. Its parts include 33 connectors, 8 capacitors, 8 resistors, 6 switches and 4 diodes.
Main components
1README
README.mdBreadboard_Breakout
This is a PCB of a breakout audio board used for audio design on a breadboard.
It's been made to align with a 1660pt breadboard like this one:
https://mou.sr/4qExcgZ
Features:
- 9v regulator. Can be turned off with a jumper.
- 3x jacks in/out/aux for audio/CVs
- Relay bypass between IN/OUT. The relay can be removed with jumper.
- 4x push switches with wiring connection
- 6x screw connectors to fix pots on the boards and wire them to the breadboard
- Filtered Vref = Vcc/2
- Bananas connexion for an external power supply
- Test points for signals (T1 and T2, near the bananas)
- Test points for I/Os (IN/OUT/AUX, right of the jacks)
Short BOM:
Relay :
https://www.mouser.fr/ProductDetail/Omron-Electronics/G6K-2P-Y-DC9?qs=wkx8pu8tL7LXpnqEum69xQ%3D%3D
Push Switch (latch):
https://www.mouser.fr/ProductDetail/E-Switch/JN2UOANAGX?qs=3Jlm%2Fl9ddLz4b5MH%2B0K8sg%3D%3D&countryCode=DE¤cyCode=EUR
Switch cap:
https://www.mouser.fr/ProductDetail/E-Switch/TAG-BLK?qs=sGAEpiMZZMtFyPk3yBMYYOwc5eDcStsDSmqEZ9eg82w%3D
Pot connector:
https://www.mouser.fr/ProductDetail/Phoenix-Contact/1935394?qs=%2FbRkJSLTVS%2FBYbus49HMUQ%3D%3D&countryCode=DE¤cyCode=EUR
Bypass switch:
https://www.mouser.fr/ProductDetail/Same-Sky/TS14-1212-100-BK-160-SCR-D?qs=t7xnP681wgUxNt1zer%2Bdww%3D%3D
Jacks:
https://www.mouser.fr/ProductDetail/Neutrik/NMJ4HCD2?qs=SzdD80gJ2cAr9Xh3wJi7nw%3D%3D
Terminals 2.54:
https://www.mouser.fr/ProductDetail/3M-Electronic-Solutions-Division/2324-6121TG?qs=bmCxD588tEjY10%2FzUyHH%2BQ%3D%3D
https://www.mouser.fr/c/connectors/headers-wire-housings/?contact%20gender=Socket%20(Female)&mounting%20angle=Straight&mounting%20style=Through%20Hole&number%20of%20rows=1%20Row&pitch=2.54%20mm%20(0.1%20in)~~2.54%20mm%2C%205%20mm&row%20spacing=2.54%20mm%20(0.1%20in)&rp=connectors%2Fheaders-wire-housings%7C~Pitch
The bananas plugs are these:
https://www.microjpm.com/products/ad27504/
Parts
62| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | Switch | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J24, J25, J26, J27, J28, J29, J30, J31 |
| 4 | Conn_01x04_Socket | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J1, J4, J9, J12 |
| 4 | SW_DPDT_x2 | Zorg:DPDT_ESwitch | SW2, SW3, SW4, SW5 |
| 3 | 100nF | Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm | C2, C4, C6 |
| 3 | 100uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1, C3, C5 |
| 3 | 2k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3 |
| 2 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R5 |
| 2 | SIGNALS | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J18, J20 |
| 2 | Screw_Terminal_01x10 | TerminalBlock_RND:TerminalBlock_RND_205-00020_1x10_P5.00mm_Horizontal | J14, J19 |
| 2 | Test Points IN | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J2, J3 |
| 1 | 1nF | Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm | C8 |
| 1 | 1uF | Capacitor_THT:CP_Radial_D4.0mm_P2.00mm | C7 |
| 1 | 200k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | Audio_Aux | Zorg:Jack Neutrik Mono Pins SW | J11 |
| 1 | Audio_IN | Zorg:Jack Neutrik Mono Pins SW | J5 |
| 1 | Audio_Out | Zorg:Jack Neutrik Mono Pins SW | J6 |
| 1 | Banana_IN | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J13 |
| 1 | D | Diode_THT:D_A-405_P7.62mm_Horizontal | D4 |
| 1 | DC9V | Zorg:Jack DC | J7 |
| 1 | G6K-2 | Relay_THT:Relay_DPDT_Omron_G6K-2P-Y | K1 |
| 1 | GREEN | LED_THT:LED_D5.0mm | D2 |
| 1 | Jumper_3_Open | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | L78L09_SOT89 | Zorg:DPAK-3 | U1 |
| 1 | NE555D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | PINK | LED_THT:LED_D5.0mm | D3 |
| 1 | POT1_CON | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J17 |
| 1 | POT2_CON | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J16 |
| 1 | POT3_CON | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J15 |
| 1 | POT4_CON | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J23 |
| 1 | POT5_CON | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J22 |
| 1 | POT6_CON | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J21 |
| 1 | RED | LED_THT:LED_D5.0mm | D1 |
| 1 | RLY_OV_IN | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J32 |
| 1 | RLY_OV_OUT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J33 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH-12mm | SW1 |
| 1 | Test_Point_IOA | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | Test_Point_Pins | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8 |
Questions
How big is the BreadBoard PCB?
It measures 75.3 × 129.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BreadBoard use?
62 parts, built around the NE555D. 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 BreadBoard KiCad files?
From the ZorgEffects/Breadboard_Breakout repository on GitHub, at the commit this page was made from: the board is BreadBoard.kicad_pcb and its schematic BreadBoard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BreadBoard design in my own project?
Its repository states no licence, so its author keeps all rights: ask ZorgEffects before reusing the design.
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