2 layers120.9 × 128.5 mm
DaisyDelayHardware
fablabnk/DaisyDelayHardware
This repo documents the hardware design of a Daisy Seed-based Eurorack module called the Daisy Delay and contains the KiCad files for the project.
53 parts3
2 layers105.7 × 128.5 mm
DaisyDelayHardwareTestRoute
fablabnk/DaisyDelayHardware3This repo documents the hardware design of a Daisy Seed-based Eurorack module called the Daisy Delay and contains the KiCad files for the project.
- Size
- 105.7 × 128.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 55
- Nets
- 66
- Pads
- 261
- Tracks, vias
- 242, 0
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 29 Mar 2024
- Updated
- 13 Aug 2024
Overview
DaisyDelayHardwareTestRoute is an open-source printed circuit board by fablabnk, from the fablabnk/DaisyDelayHardware repository on GitHub. It is a 2-layer board of 105.7 × 128.5 mm with 55 parts on 66 nets, routed with 242 tracks and 0 vias.
Its parts include 20 resistors, 16 capacitors, 5 connectors, 3 ICs and 1 diode.
README
README.mdThis repo documents the hardware design of a Daisy Seed-based Eurorack module called the Daisy Delay and contains the KiCad files for the project.
The Daisy Delay is planned as simple 6HP mono delay-line module, but can easily be used as a development platform for any kind of single-in/single-out audio processor.
This README gives an overview of the project, but there are also seperate notes for the schematic and the PCB.
The module was first prototyped in VCVRack, before before being converted back to code that will run on the Seed. For more details on the VCVRack plugin, see here.
Components / Bill of Materials (BOM)
The
- 2 x 10K (for now) potentiometers
- 1 x SPST mini switch
- 1 x small LED (? diameter)
- 4 x Thonkiconn mono switching jack sockets (PJ301M-12)
- 1 x TL072 op amp
- 1 x TL074 op amp
- 1 x Shrouded 10 pin power connector
- various resistors
- various ceramic capacitors
Workflow
Below is the basic workflow I am following to develop the module.
- Design schematic
- symbol and footprint for Seed Rev4 are already included in KiCad - search for "electrosmith"
- Design front panel in Kicad PCB editor
- use VCV plugin panel .svg as template
- laser cut on paper / thin card first to test fit
- Layout and Route PCB
- one board which drops onto components
- laser cut on paper / thin card first to test fit
- 2 layer / 4 layer routing?
- Convert code to seed format
- test code on Pod
- Send for fabrication (PCBWay)
- Order 5 x front and back panels
Useful Links
https://github.com/clacktronics/Eurorack_KiCAD_templates
Concerns / To Do
- Simpler hardware module first...probably!
- Symbol is only for Seed Rev 4 and we are now on Rev 7, but each Daisy Seed is pin to pin compatible with one another
- Revisions were only to replace depricated audio codecs. See here: https://daisy.nyc3.cdn.digitaloceanspaces.com/products/seed/Daisy_Seed_datasheet.pdf
Parts
55| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R5, R6, R8, R11, R12, R13, R16 |
| 6 | 100nF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C7, C8, C9, C10, C13, C14 |
| 4 | 66.5K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3, R4, R17, R18 |
| 3 | 10µF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C11, C12, C15 |
| 3 | 1K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R7, R14, R20 |
| 3 | 47PF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C2, C4, C5 |
| 2 | 10K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R9, R10 |
| 2 | 10nF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C6 |
| 2 | 200K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R15 |
| 1 | 220µF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C16 |
| 1 | 2K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R19 |
| 1 | 560PF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C3 |
| 1 | AUDIO_INPUT | eurocad:PJ301M-12_T_S | J5 |
| 1 | AUDIO_OUTPUT | eurocad:PJ301M-12_T_S | J1 |
| 1 | DELAY_TIME_CV_INPUT | eurocad:PJ301M-12_T_S | J3 |
| 1 | DELAY_TIME_POT_10K | eurocad:Alpha9mmPot | RV1 |
| 1 | EURO_PWR_2x8 | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical | J4 |
| 1 | Electrosmith_Daisy_Seed_Rev4 | Module:Electrosmith_Daisy_Seed | A1 |
| 1 | FEEDBACK_CV_INPUT | eurocad:PJ301M-12_T_S | J2 |
| 1 | FEEDBACK_POT_10K | eurocad:Alpha9mmPot | RV2 |
| 1 | LED | LED_THT:LED_D5.0mm | D1 |
| 1 | LM4040DBZ-10 | Package_TO_SOT_THT:TO-92_Inline_Wide | U3 |
| 1 | MCP6002-xP | Package_DIP:DIP-8_W7.62mm | U4 |
| 1 | SW_SPDT | Connector_Wire:SolderWire-0.5sqmm_1x02_P4.6mm_D0.9mm_OD2.1mm | SW1 |
| 1 | TL074 | Package_DIP:DIP-14_W7.62mm | U2 |
The 49 most common of 55 parts.
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DaisyDelayHardware
fablabnk/DaisyDelayHardware
This repo documents the hardware design of a Daisy Seed-based Eurorack module called the Daisy Delay and contains the KiCad files for the project.
49 parts3
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Questions
How big is the DaisyDelayHardwareTestRoute PCB?
It measures 105.7 × 128.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the DaisyDelayHardwareTestRoute use?
55 parts. 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 DaisyDelayHardwareTestRoute KiCad files?
From the fablabnk/DaisyDelayHardware repository on GitHub, at the commit this page was made from: the board is KiCad/DaisyDelayHardwareTestRoute.kicad_pcb and its schematic KiCad/DaisyDelayHardware.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DaisyDelayHardwareTestRoute design in my own project?
Its repository states no licence, so its author keeps all rights: ask fablabnk before reusing the design.