

- Size
- 222.1 × 128.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 160
- Nets
- 80
- Pads
- 285
- Tracks, vias
- 533, 52
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 15 Nov 2022
- Updated
- 14 Dec 2022
Overview
Mixer is an open-source printed circuit board by theWickedWebDev, from the theWickedWebDev/Modular-Synth repository on GitHub. It is a 2-layer board of 222.1 × 128.5 mm with 160 parts on 80 nets, routed with 533 tracks and 52 vias.
It is built around the TL072. Its parts include 54 resistors, 10 connectors, 6 ICs, 4 diodes and 4 switches. It belongs with the audio and music boards of this library.
Main components
1README
00_BREAKOUTS/Breakout_DPDT/README.mdDPDT Push Button - Breakout Boards


Parts
160| Qty | Value | Footprint | References |
|---|---|---|---|
| 54 | R_Small_US | Resistor_SMD:R_0805_2012Metric | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +38 |
| 41 | LOGO | LOGO | G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** +25 |
| 10 | AudioJack2_Ground | LIBRARY-8-bit-computer:3.5mm-mono-jack-eurorack-2 | J1, J2, J3, J4, J5, J6, J7, J8, J9, J10 |
| 7 | R_Potentiometer_US | LIBRARY-8-bit-computer:Slide-Potentiometer-30mm-43.5mm | RV1, RV2, RV3, RV4, RV9, RV10, RV11 |
| 5 | TL072 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2, U3, U4, U5, U6 |
| 4 | LED | LED_THT:LED_D3.0mm | D1, D2, D3, D4 |
| 4 | MountingHole | LIBRARY-8-bit-computer:3.2mm-mounting-hole-eurorack | H1, H1, H1, H1 |
| 4 | R_Potentiometer_US | LIBRARY-8-bit-computer:alpha-9mm-potentiometer | RV5, RV6, RV7, RV8 |
| 4 | SW_Push_DPDT | LIBRARY-8-bit-computer:DPDT-LatchingSwitch-THT | SW1, SW2, SW3, SW4 |
| 1 | Eurorack_IDE_16P | LIBRARY-8-bit-computer:IDC-Socket-Eurorack_16p_2.54mm | U1 |
The 134 most common of 160 parts.
Questions
How big is the Mixer PCB?
It measures 222.1 × 128.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mixer use?
160 parts, built around the TL072. 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 Mixer KiCad files?
From the theWickedWebDev/Modular-Synth repository on GitHub, at the commit this page was made from: the board is Mixer-4-Channel/mixer.kicad_pcb and its schematic 00_BREAKOUTS/Breakout-AudioJack/AudioJack-Breakout.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mixer design in my own project?
Its repository states no licence, so its author keeps all rights: ask theWickedWebDev before reusing the design.
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