HardLabs

PedalSHIELD-MEGA

nablum·pedalSHIELD-MEGA·hardware/kicad/pedalSHIELD_MEGA.kicad_pcb

PedalSHIELD-MEGA PCB layout, top view — open source AVR/Arduino board by nablum

About the PedalSHIELD-MEGA PCB

PedalSHIELD-MEGA is an open source AVR/Arduino PCB design by nablum, published on GitHub under the MIT license. It is a 2-layer board measuring 62 × 122 mm, with 37 components from 17 distinct parts.

Its main chip is the Arduino_Mega2560_R3_Shield_pedalSHIELD_MEGA, from the AVR/Arduino family. By type, the board carries 15 resistors, 11 capacitors, 4 switches, 2 connectors, 1 IC and 1 module.

It belongs with the audio and displays & leds designs in this gallery.

From the project

Lo-fi programmable guitar pedal based on pedalSHIELD MEGA by Electrosmash.

A programmable guitar effects shield for Arduino MEGA, featuring OLED display, true-bypass footswitch, and DSP-ready input/output stages. Based on pedalSHIELD MEGA by ElectroSmash

- ✅ KiCad project: schematic & PCB layout files for the hardware shield - ✅ Arduino examples: boost, fuzz, delay, and other DSP sketches - ✅ Bill of Materials: CSV file with component list and Mouser links - ✅ Documentation: assembly guide, schematic diagrams, signal flow

PedalSHIELD-MEGA, from the project README
From the project README

PedalSHIELD-MEGA bill of materials (BOM)

37 components, 17 distinct parts.

QtyPartRefs
1
~
U1
1
~
A1
2
~
J1, J2
1
500k
RV1
1
SF17020F-0302-21R-L-015
~
SW1
1
~
SW2
2
~
SW3, SW4
1
~
LCD1
1
~
D1
2
100n
C1, C11
5
6.8n
C2, C5, C7, C8, C9
3
4.7u
C3, C6, C10
1
270p
C4
2
1M
R1, R2
9
4.7k
R3, R4, R6, R9, R10, R12, R13, R14 +1
3
100k
R5, R7, R8
1
1M2
R11

PedalSHIELD-MEGA design files

The KiCad project lives in the nablum/pedalSHIELD-MEGA repository on GitHub; these links point at the commit this page was built from.

PedalSHIELD-MEGA: common questions

What microcontroller does the PedalSHIELD-MEGA use?

The PedalSHIELD-MEGA is built around the Arduino_Mega2560_R3_Shield_pedalSHIELD_MEGA, from the AVR/Arduino family.

How big is the PedalSHIELD-MEGA PCB?

The PedalSHIELD-MEGA measures 62 × 122 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PedalSHIELD-MEGA?

37 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the PedalSHIELD-MEGA design files?

From the nablum/pedalSHIELD-MEGA repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the PedalSHIELD-MEGA design in my own project?

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

Can I test firmware for the PedalSHIELD-MEGA 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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