HardLabs

InterfaceBoard

TeamMeanMachine·Electronics·2020/NEO Diagnostic Board/InterfaceBoard.kicad_pcb

InterfaceBoard PCB layout, top view — open source AVR/Arduino board by TeamMeanMachine

About the InterfaceBoard PCB

InterfaceBoard is an open source AVR/Arduino PCB design by TeamMeanMachine, published on GitHub under the Unlicense license. It is a 2-layer board measuring 6.4 × 6.4 mm, with 36 components from 19 distinct parts.

Its main chip is the ATMEGA32U4, from the AVR/Arduino family. Other key parts include the MIC5219-3.3YM5 and MAX3232. By type, the board carries 12 connectors, 10 capacitors, 7 resistors, 3 ICs, 1 transistor and 1 crystal.

From the project

They also frequently require the library files contained in the Core folder of this repository

Main components on the InterfaceBoard

ATMEGA32U4MIC5219-3.3YM5MAX3232

InterfaceBoard bill of materials (BOM)

36 components, 19 distinct parts.

QtyPartRefs
1
ATMEGA32U4
U1
1
MIC5219-3.3YM5
U2
1
MAX3232
U3
1
BSS138DW-7-F
Q1
1
RESONATOR-16MHZSMD_3.2X1.3
Y1
1
USB_B
J1
2
QWIIC_CONNECTORJS-1MM
J3, J4
3
Conn_01x04
J6, J7, J8
6
Conn_01x03
J9, J10, J11, J12, J13, J14
1
PPTC_HALF-AMP
F1
1
APA102
D1
2
1.0UF-0603-16V-10%
C1, C3
2
0.1UF-0603-25V-5%
C2, C10
2
C
C4, C5
3
0.33UF_330NF-0805-50V-10%
C6, C7, C8
1
0.047UF-0603-25V-5%
C9
2
220KOHM-0603-1_10W-1%
R1, R2
1
10KOHM-0603-1_10W-1%
R3
4
4.7KOHM-0603-1_10W-1%
R4, R5, R6, R7

InterfaceBoard design files

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

InterfaceBoard: common questions

What microcontroller does the InterfaceBoard use?

The InterfaceBoard is built around the ATMEGA32U4, from the AVR/Arduino family.

How big is the InterfaceBoard PCB?

The InterfaceBoard measures 6.4 × 6.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the InterfaceBoard?

36 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the InterfaceBoard design files?

From the TeamMeanMachine/Electronics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the InterfaceBoard design in my own project?

Yes, under the terms of its Unlicense license, which TeamMeanMachine chose for the repository.

Can I test firmware for the InterfaceBoard 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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