HardLabs

HackableDelay

benjiaomodular·HackableDelay

HackableDelay PCB layout, top view — open source board by benjiaomodular
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About the HackableDelay PCB

HackableDelay is an open source PCB design by benjiaomodular, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 86.4 × 58.4 mm, with 58 components from 31 distinct parts.

Other key parts include the TL072, PT2399 and LM1117T-5.0. By type, the board carries 23 capacitors, 20 resistors, 5 connectors, 3 ICs, 2 modules and 1 diode.

It belongs with the audio designs in this gallery.

From the project

A hackable delay circuit for eurorack modular synthesizers, designed in KiCad.

A hackable delay circuit for eurorack modular synthesizers, designed in KiCad.

- HackableDelay.kicadsch — schematic - HackableDelay.kicadpcb — PCB layout - HackableDelay.kicadpro` — KiCad project file

The Fabrication folder contains ready-to-order Gerber/drill packages (e.g. HackableDelay v1.1.zip) for the PCB itself. To get a working module you'll also need panel graphics and a parts order.

Main components on the HackableDelay

TL072PT2399LM1117T-5.0

HackableDelay bill of materials (BOM)

58 components, 31 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL072
U1
1
PT2399
U2
1
LM1117T-5.0
U3
2
CONN_01X02_PIN
Conn_01x02_Pin
MOD1, MOD2
1
Jack-DC
J1
1
INPUT
J2
1
OUTPUT
J3
2
CONN_01X03_PIN
Conn_01x03_Pin
J4, J5
1
B1M
GAIN1
3
B100K
LEVEL1, REPEATS1, TIME1
1
LED
D1
2
47UF
47uF
C1, C5
4
100NF
100nF
C2, C4, C8, C9
1
4.7UF
4.7uF
C3
2
10UF
10uF
C6, C12
1
22PF
22pF
C7
2
2.2NF
2.2nF
C10, C11
4
1UF
1uF
C13, C17, C19, C23
2
4.7NF
4.7nF
C14, C16
2
10NF
10nF
C15, C18
Show 11 more
QtyPartRefs
1
100PF
100pF
C20
1
22NF
22nF
C21
1
47NF
47nF
C22
3
1k
R1, R13, R19
9
10K
10k
R2, R3, R5, R6, R7, R9, R10, R11 +1
1
1M
R4
3
20K
20k
R8, R14, R15
1
2.7K
2.7k
R12
1
5.1K
5.1k
R16
1
2k
R18
1
100K
100k
R20

HackableDelay design files

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

HackableDelay: common questions

How big is the HackableDelay PCB?

The HackableDelay measures 86.4 × 58.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HackableDelay?

58 components, from 31 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 HackableDelay design files?

From the benjiaomodular/HackableDelay 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 HackableDelay design in my own project?

Yes, under the terms of its CC-BY-4.0 license, which benjiaomodular chose for the repository.

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