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Dolphins

apaleslimghost·synths·eurorack/modules/dolphins/dolphins.kicad_pcb

Dolphins PCB layout, top view — open source board by apaleslimghost
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About the Dolphins PCB

Dolphins is an open source PCB design by apaleslimghost, published on GitHub under the MIT license. It is a 2-layer board measuring 127 × 128.5 mm, with 171 components from 26 distinct parts.

Other key parts include the TL074, PT2399 and L78L05_SOT89. By type, the board carries 83 resistors, 47 capacitors, 20 connectors, 8 ICs and 6 transistors.

It belongs with the audio designs in this gallery.

From the project

schematics, PCBs, designs and code for Pale Slim Ghost Synthesisers hardware

schematics, PCBs, designs and code for Pale Slim Ghost Synthesisers hardware. these can be viewed on CADLAB.io.

- [ ] generate build guides with pcbdraw populate - [ ] publishing to github pages - [ ] makefiles with kikit

- hardware is licenced under CERN-OHL-S - software/firmware is licenced under Parity Public Licence 7.0.0 - artwork is licenced under Creative Commons BY-NC-SA 4.0

Dolphins, from the project README
From the project README

Main components on the Dolphins

TL074PT2399L78L05_SOT89

Dolphins bill of materials (BOM)

171 components, 26 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
TL074
U1, U3, U5, U7
3
PT2399
U2, U4, U6
1
L78L05_SOT89
U8
6
MMBT3904
Q1, Q2, Q3, Q4, Q5, Q6
13
AudioJack2_SwitchT
J1, J2, J3, J4, J5, J6, J7, J8 +5
1
Conn_02x05_Odd_Even
J14
1
Conn_01x12_Male
J15
1
Conn_01x12_Female
J16
2
Conn_01x05_Female
J17, J20
2
Conn_01x05_Male
J18, J19
3
R_Potentiometer
RV1, RV3, RV5
3
R_Potentiometer_LED
RV2, RV4, RV6
1
VAL**
mouse-bite-2mm-slot
6
10μ
C1, C11, C22, C32, C33, C38
7
4.7u
C2, C3, C12, C13, C15, C23, C24
3
2.2n
C4, C14, C25
6
470p
C5, C6, C16, C17, C26, C27
24
100n
C7, C8, C9, C10, C18, C19, C20, C21 +16
1
10μ
C31
29
100k
R1, R5, R6, R8, R10, R11, R13, R22 +21
Show 6 more
QtyPartRefs
15
15k
R2, R14, R17, R19, R25, R37, R38, R42 +7
5
30k
R3, R26, R51, R73, R77
12
1k
R4, R9, R18, R23, R27, R31, R43, R48 +4
16
10k
R7, R16, R20, R21, R39, R41, R45, R46 +8
3
47k
R12, R35, R59
3
12k
R15, R40, R63

Dolphins design files

The KiCad project lives in the apaleslimghost/synths repository on GitHub; these links point at the commit this page was built from.

Dolphins: common questions

How big is the Dolphins PCB?

The Dolphins measures 127 × 128.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Dolphins?

171 components, from 26 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Dolphins design files?

From the apaleslimghost/synths repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Dolphins design in my own project?

Yes, under the terms of its MIT license, which apaleslimghost chose for the repository.

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