HardLabs

Nano delay pedal

barlasardic·nano-delay-pedal

Nano delay pedal PCB layout, top view — open source AVR/Arduino board by barlasardic

About the Nano delay pedal PCB

Nano delay pedal is an open source AVR/Arduino PCB design by barlasardic, published on GitHub under the MIT license. It is a 2-layer board measuring 55.9 × 88.9 mm, with 57 components from 33 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the LM7805_TO220, MCP6002-I/P and 23LC1024-I/P. By type, the board carries 20 capacitors, 18 resistors, 8 connectors, 4 diodes, 3 ICs and 1 module.

It belongs with the audio designs in this gallery.

From the project

A delay pedal for electric guitars using arduino nano.

A compact guitar delay pedal prototype built around a classic Arduino Nano, with a 300 ms delay target. The schematic and two-layer PCB are complete as a first hardware draft. Firmware has not been developed, the circuit has not been built or tested, and the enclosure fit is not confirmed.

The 55.88 × 88.90 mm PCB has rounded corners and four M2.5 mounting holes. It targets a custom compact pedal enclosure. The mechanical drawing shows the proposed enclosure arrangement and an exact PCB mounting template; actual hardware clearances still need confirmation.

Nano delay pedal, from the project README
From the project README

Main components on the Nano delay pedal

LM7805_TO220MCP6002-I/P23LC1024-I/PArduino_Nano_v3.x

Nano delay pedal bill of materials (BOM)

57 components, 33 distinct parts.

QtyPartRefs
1
LM7805_TO220
U1
1
MCP6002-I/P
U3
1
23LC1024-I/P
U4
1
Arduino_Nano_v3.x
A1
1
2N3904
Q1
1
9V IN: 1=+ 2=GND
J1
1
INPUT: 1=TIP 2=SLEEVE
J2
1
OUTPUT: 1=TIP 2=SLEEVE
J3
1
TIME B10k
J4
1
FEEDBACK B10k
J5
1
MIX B10k
J6
1
MOMENTARY NO
J7
1
LED: 1=A 2=K
J8
1
POWER LINK: remove for USB
JP1
1
G5V-2-H1 DC5
K1
1
1N4007
D1
1
1N4148
D2
2
BAT85
D3, D4
1
47u 25V
C1
1
330n
C2
Show 13 more
QtyPartRefs
2
47u 16V
C3, C6
9
100n
C4, C8, C9, C10, C14, C16, C17, C19 +1
1
100n film
C5
4
10n
C7, C11, C12, C18
1
1u film
C13
1
100u 16V
C15
3
1M
R1, R11, R13
6
10k
R2, R3, R14, R15, R16, R17
4
2k2
R4, R5, R6, R8
2
1k
R7, R18
1
100k
R9
1
22
R10
1
100
R12

Nano delay pedal design files

The KiCad project lives in the barlasardic/nano-delay-pedal repository on GitHub; these links point at the commit this page was built from.

Nano delay pedal: common questions

What microcontroller does the Nano delay pedal use?

The Nano delay pedal is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the Nano delay pedal PCB?

The Nano delay pedal measures 55.9 × 88.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Nano delay pedal?

57 components, from 33 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nano delay pedal design files?

From the barlasardic/nano-delay-pedal repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Nano delay pedal design in my own project?

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

Can I test firmware for the Nano delay pedal without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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