HardLabs

Mill music

jonronen·kicad-stuff·mill_music/mill_music.kicad_pcb

Mill music PCB layout, top view — open source AVR/Arduino board by jonronen

About the Mill music PCB

Mill music is an open source AVR/Arduino PCB design by jonronen, published on GitHub. It is a 2-layer board measuring 87.1 × 51.3 mm, with 51 components from 21 distinct parts.

Its main chip is the ATmega328-AU, from the AVR/Arduino family. Other key parts include the LM1117-5.0 and OEP30Wx2-Module. By type, the board carries 11 capacitors, 11 resistors, 9 switches, 4 connectors, 3 ICs and 2 diodes.

Main components on the Mill music

ATmega328-AULM1117-5.0OEP30Wx2-Module

Mill music bill of materials (BOM)

51 components, 21 distinct parts.

QtyPartRefs
1
ATmega328-AU
U1
1
LM1117-5.0
U2
1
OEP30Wx2-Module
U3
1
16MHz
Y1
1
Conn_02x03_Odd_Even
J1
3
Screw_Terminal_01x02
J2, J3, J4
8
47K
RV1, RV2, RV3, RV4, RV7, RV8, RV9, RV10
2
10K
RV5, RV6
9
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +1
1
D
D1
1
LED
D2
3
100nF
C1, C2, C11
2
33nF
C3, C6
2
22pF
C4, C5
2
100uF
C7, C8
2
47uF
C9, C10
1
1M
R1
1
10K
R2
2
2.2K
R3, R4
2
47K
R5, R7
Show 1 more
QtyPartRefs
5
1K
R6, R8, R9, R10, R11

Mill music design files

The KiCad project lives in the jonronen/kicad-stuff repository on GitHub; these links point at the commit this page was built from.

Mill music: common questions

What microcontroller does the Mill music use?

The Mill music is built around the ATmega328-AU, from the AVR/Arduino family.

How big is the Mill music PCB?

The Mill music measures 87.1 × 51.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mill music?

51 components, from 21 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mill music design files?

From the jonronen/kicad-stuff repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Mill music design in my own project?

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

Can I test firmware for the Mill music 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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