HardLabs

Scout

morgobongo·Mini_Synth·kicad/scout/scout.kicad_pcb

Scout PCB layout, top view — open source AVR/Arduino board by morgobongo

About the Scout PCB

Scout is an open source AVR/Arduino PCB design by morgobongo, published on GitHub under the Custom license license. It is a 2-layer board measuring 145.3 × 44.5 mm, with 38 components from 17 distinct parts.

Its main chip is the ATmega328P-PU, from the AVR/Arduino family. Other key parts include the LM386. By type, the board carries 18 switches, 6 capacitors, 5 resistors, 2 ICs, 2 connectors and 1 crystal.

It belongs with the audio designs in this gallery.

From the project

1. One sent to obtain information 2. Jean Louise “Scout” Finch, of Atticus Finch 3. The first synth from Oskitone to venture into the big ol' world of microcontrollers

1. One sent to obtain information 2. Jean Louise “Scout” Finch, of Atticus Finch 3. The first synth from Oskitone to venture into the big ol' world of microcontrollers

- Beginner-friendly: All components are through-hole (instead of surface mount) for easier soldering, and full assembly takes about 45min. Standalone, battery-powered, doesn't need a computer or external speakers to work. Fun! - 3D-Printable: Besides the electronics and nuts and bolts, all parts are 3D-printed. And with a total width of ~160mm (about 6.3"), the Scout can fit on smaller, "Mini" (18x18x18cm) size print beds. -…

Scout, from the project README
From the project README

Main components on the Scout

ATmega328P-PULM386

Scout bill of materials (BOM)

38 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATmega328P-PU
U1
1
LM386
U2
1
16.00MHz
Y1
1
Conn_01x06_Male
J2
1
Conn_01x09
J3
1
4.5v
BT1
1
Speaker
LS1
1
10k Log
RV1
1
SW_SPST
SW1
17
SPST
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 +9
1
LED_CRGB
D1
2
220uF
C1, C5
3
.1uF
C2, C4, C6
1
1uF
C3
2
220
R1, R2
2
10k
R3, R5
1
1m
R4

Scout design files

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

Scout: common questions

What microcontroller does the Scout use?

The Scout is built around the ATmega328P-PU, from the AVR/Arduino family.

How big is the Scout PCB?

The Scout measures 145.3 × 44.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Scout?

38 components, from 17 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 Scout design files?

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

Can I use the Scout design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Scout 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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