HardLabs

ArduinoMICRACK

seismicindustries·arduinoMICRACK

ArduinoMICRACK PCB layout, top view — open source AVR/Arduino board by seismicindustries

About the ArduinoMICRACK PCB

ArduinoMICRACK is an open source AVR/Arduino PCB design by seismicindustries, published on GitHub. It is a 2-layer board measuring 19 × 108 mm, with 41 components from 19 distinct parts.

Its main chip is the ATmega32U4-AU, from the AVR/Arduino family. Other key parts include the FP_mounting_hole and LP2985. By type, the board carries 11 capacitors, 8 resistors, 4 ICs, 4 connectors, 4 transformers and 4 diodes.

From the project

a eurorack mountable version of the arduino micro.

ArduinoMICRACK, from the project README
From the project README

Main components on the ArduinoMICRACK

ATmega32U4-AUFP_mounting_holeLP2985

ArduinoMICRACK bill of materials (BOM)

41 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATmega32U4-AU
U1
2
FP_mounting_hole
U2, U3
1
LP2985
U4
1
Type B vertical
X1
1
Crystal
Y1
1
GS3
J1
3
CONN_01X10
J2, J3, J4
1
CONN_02X03
JTAG1
1
SW_PUSH_SMALL_H
SW1
4
TESTPIN
T1, T2, T3, T4
4
LED
D1, D2, D3, D4
2
INDUCTOR
L1, L2
2
18p
C1, C2
5
100n
C3, C4, C8, C9, C11
3
1u
C5, C6, C10
1
22u
C7
2
10k
R1, R4
2
R
R2, R3
4
1k
R5, R6, R7, R8

ArduinoMICRACK design files

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

ArduinoMICRACK: common questions

What microcontroller does the ArduinoMICRACK use?

The ArduinoMICRACK is built around the ATmega32U4-AU, from the AVR/Arduino family.

How big is the ArduinoMICRACK PCB?

The ArduinoMICRACK measures 19 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ArduinoMICRACK?

41 components, from 19 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 ArduinoMICRACK design files?

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

Can I use the ArduinoMICRACK design in my own project?

The repository has no license, so all rights stay with seismicindustries. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ArduinoMICRACK 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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