2 layers165 × 103.8 mm
Output pcb
QuinnFreedman/modular
A collection of free & open source DIY synthesizer module designs for Eurorack
128 parts116
2 layers68.8 × 100 mm
Drift pcb
QuinnFreedman/modular116A collection of free & open source DIY synthesizer module designs for Eurorack
- Size
- 68.8 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 59
- Pads
- 160
- Tracks, vias
- 284, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 17 Dec 2019
- Updated
- 3 Nov 2026
Overview
Drift pcb is an open-source printed circuit board by QuinnFreedman, from the QuinnFreedman/modular repository on GitHub. It is a 2-layer board of 68.8 × 100 mm with 38 parts on 59 nets, routed with 284 tracks and 0 vias.
It is built around the MCP4922-E/P, MCP6002-I/P and TL072. Its parts include 8 capacitors, 8 connectors, 7 resistors, 3 ICs and 1 diode. It belongs with the audio and music boards of this library.
Main components
3
MCP4922-E/P
PDIP-14-40℃~+125℃ 0.25LSB、4LSB 12 2 2.7V~5.5V 350uA 4.5us Power-on reset、Power-down mode、Programmable gain SPI Voltage Buffer PDIP-14 Digital to Analog Converters (DAC) ROHSMicrochip TechnologyDigital To Analog Converters (DAC)
MCP6002-I/P
PDIP-8-40℃~+85℃ 1.8V~6V 100uA 1MHz 1pA 1pA 2 23mA 28nV/√Hz@1kHz 2uV/℃ 4.5mV 600V/ms 76dB ESD protection Rail-to-Rail Input, Rail-to-Rail Output PDIP-8 Operational Amplifier ROHSMicrochip TechnologyOperational Amplifier
TL072
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 10V/us 10mV 2 2.5nA 3MHz 85dB SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
README
README.mdThis project is an attempt to make Eurorack modular synthesis affordable and accessible to everyone.
This repository contains open source software and hardware schematics for Eurorack modules which are designed to be assembled easily and cheaply without any technical knowledge. Every module should be able to be assembled for around $20 in about an hour of work, even with limited experience.
To get started, check out some of the links below. Or get in touch! Send me a message at freemodular@gmail.com. Follow my reddit, Etsy shop, or GitHub.
Happy travels on your modular journey!
Links
Modules
{% include_relative docs/modules.md %}
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2, C3, C4 |
| 4 | M2 Mounting Hole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | 10uF | Capacitor_THT:CP_Radial_D4.0mm_P1.50mm | C5, C6, C7 |
| 3 | 24kΩ | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R3, R4 |
| 3 | THONKICONN | FreeModular:THONKICONN | J1, J2, J3 |
| 2 | 100kΩ | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7 |
| 2 | 10kΩ | Potentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV1, RV2 |
| 2 | 1kΩ | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R5 |
| 2 | Board | kikit:Board | B1, B2 |
| 1 | 4.7nF | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C8 |
| 1 | 50kΩ | Potentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV3 |
| 1 | Arduino Nano v3 | Module:Arduino_Nano | A1 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | Conn_01x04_Socket | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J7 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J4 |
| 1 | Conn_01x06_Socket | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J5 |
| 1 | Eurorack_2x8_Power | Connector_IDC:IDC-Header_2x08_P2.54mm_Vertical | J9 |
| 1 | LED | LED_THT:LED_D5.0mm | D1 |
| 1 | MCP4922 | Package_DIP:DIP-14_W7.62mm | U1 |
| 1 | MCP6002 | Package_DIP:DIP-8_W7.62mm | U3 |
| 1 | SW_DIP_x02 | Button_Switch_THT:SW_DIP_SPSTx02_Slide_6.7x6.64mm_W7.62mm_P2.54mm_LowProfile | SW1 |
| 1 | TL072 | Package_DIP:DIP-8_W7.62mm | U2 |
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Questions
How big is the Drift pcb PCB?
It measures 68.8 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Drift pcb use?
38 parts, built around the MCP4922-E/P, MCP6002-I/P and 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 Drift pcb KiCad files?
From the QuinnFreedman/modular repository on GitHub, at the commit this page was made from: the board is modules/Drift/PCBs/drift_pcb/drift_pcb.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Drift pcb design in my own project?
Its repository states no licence, so its author keeps all rights: ask QuinnFreedman before reusing the design.