HardLabs

BreadControlV2-rounded 3

Architeuthis-Flux·breadWare·v0.2-beta/breadWare KiCad Files/BreadControlV0.2/BreadControlV2-rounded 3.kicad_pcb

BreadControlV2-rounded 3 PCB layout, top view — open source AVR/Arduino board by Architeuthis-Flux
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About the BreadControlV2-rounded 3 PCB

BreadControlV2-rounded 3 is an open source AVR/Arduino PCB design by Architeuthis-Flux, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 82.6 × 53.3 mm, with 58 components from 29 distinct parts.

Its main chip is the ATmega4809-A, from the AVR/Arduino family. Other key parts include the MCP2221A-I_SL, MT8816AP, MCP4661-104E_ST, LT1054xSW and L272D. By type, the board carries 18 resistors, 13 diodes, 9 capacitors, 8 ICs, 6 connectors and 4 transistors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

a jumperless breadboard

Here's the second board revision. I was showing the last version off to someone and they offhandedly mentioned that it would be cool if the whole thing fit under the breadboard. I knew this was my plan all along, but it forced me to finally design it before the code gets too specific to the original off-the-cuff design and I get stuck with my poor ~~life~~ design choices.

BreadControlV2-rounded 3, from the project README
From the project README

Main components on the BreadControlV2-rounded 3

MCP2221A-I_SLMT8816APATmega4809-AMCP4661-104E_STLT1054xSWL272DMCP4728

BreadControlV2-rounded 3 bill of materials (BOM)

58 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP2221A-I_SL
U1
1
MT8816AP
U2
1
ATmega4809-A
U3
1
MCP4661-104E_ST
U4
1
LT1054xSW
U5
2
L272D
U6, U7
1
MCP4728
U8
3
Q_PNP_BCE
Q1, Q2, Q4
1
Q_NMOS_GSD
Q3
1
Address_Control_Power
J1
1
Chip_Select_Measurement
J2
1
UPDI
J3
1
USB_B_Mini
J4
1
Conn_01x04_Female
J7
1
Conn_01x04_Male
J8
5
1N4001
D4, D5, D6, D7, D8
8
D_Schottky_Small
D9, D10, D11, D12, D13, D14, D15, D16
1
1uF
C1
3
100uF
C2, C5, C9
3
10uF
C3, C4, C8
Show 9 more
QtyPartRefs
2
10uF
C6, C7
3
220R
R1, R2, R5
5
10K
R3, R4, R6, R8, R13
1
100R
R7
2
6.04K
R9, R12
2
1K
R10, R11
1
100K
R14
2
56.2K
R16, R17
2
14K
R18, R19

BreadControlV2-rounded 3 design files

The KiCad project lives in the Architeuthis-Flux/breadWare repository on GitHub; these links point at the commit this page was built from.

BreadControlV2-rounded 3: common questions

What microcontroller does the BreadControlV2-rounded 3 use?

The BreadControlV2-rounded 3 is built around the ATmega4809-A, from the AVR/Arduino family.

How big is the BreadControlV2-rounded 3 PCB?

The BreadControlV2-rounded 3 measures 82.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BreadControlV2-rounded 3?

58 components, from 29 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 BreadControlV2-rounded 3 design files?

From the Architeuthis-Flux/breadWare repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the BreadControlV2-rounded 3 design in my own project?

Yes, under the terms of its GPL-3.0 license, which Architeuthis-Flux chose for the repository.

Can I test firmware for the BreadControlV2-rounded 3 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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