HardLabs

Tarbleming

MiguelDeTrool·tarbleming·hardware/front panel - control board - main board/Arduino TarbleMing.kicad_pcb

Tarbleming PCB layout, top view — open source AVR/Arduino board by MiguelDeTrool

About the Tarbleming PCB

Tarbleming is an open source AVR/Arduino PCB design by MiguelDeTrool, published on GitHub under the Custom license license. It is a 2-layer board measuring 71 × 128.5 mm, with 91 components from 27 distinct parts.

Its main chip is the ARDUINO_NANO_V3.X, from the AVR/Arduino family. Other key parts include the LM4040LP-5, L7805, MCP6002-XP, TL082 and MCP4822. By type, the board carries 32 resistors, 16 connectors, 14 capacitors, 8 diodes, 7 ICs and 5 transistors.

It belongs with the audio designs in this gallery.

From the project

Arduino Nano based random looping sequencer Eurorack module

This is my take on the Music Thing Modular Turing Machine/Mutable Instruments Marbles, in an easier to implement fashion, with easily available through-hole parts. I must warn anyone attempting this that I have not tested these exact PCBs, only an earlier prototype, that I then made minor modifications to for this version. I am quite confident that they will work, and feel free to send me a message if you decide to try this out. I wouldn't recommend this to a complete beginner, as I have provided no build guide.

Tarbleming, from the project README
From the project README

Main components on the Tarbleming

LM4040LP-5L7805MCP6002-XPTL082ARDUINO_NANO_V3.XMCP4822

Tarbleming bill of materials (BOM)

91 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM4040LP-5
U1
1
L7805
U2
2
MCP6002-XP
MCP6002-xP
U3, U4
1
TL082
U5
1
ARDUINO_NANO_V3.X
Arduino_Nano_v3.x
U6
1
MCP4822
U7
5
2N3904
Q1, Q2, Q3, Q4, Q5
11
AudioJack2_SwitchT
J1, J2, J4, J5, J6, J7, J8, J9 +3
1
Conn_02x05_Odd_Even
J3
2
CONN_01X13
Conn_01x13
J20, J21
2
CONN_01X14
Conn_01x14
J22, J23
5
10K
RV1, RV2, RV3, RV4, RV5
4
SW_Push_DPDT
SW1, SW2, SW3, SW4
2
1N4001
D1, D2
3
1N4148
D3, D4, D5
3
LED
D6, D7, D8
2
100UF
100uF
C1, C3
5
1n
C2, C10, C11, C12, C13
1
0.47µ
C4
1
10N
10n
C5
Show 7 more
QtyPartRefs
5
100N
100n
C6, C7, C8, C9, C14
7
10K
R1, R4, R5, R6, R7, R8, R10
17
100K
R2, R3, R9, R11, R12, R16, R18, R19 +9
1
50K
50k
R13
3
330
R14, R15, R17
2
3300
R24, R25
2
1000
R31, R32

Tarbleming design files

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

Tarbleming: common questions

What microcontroller does the Tarbleming use?

The Tarbleming is built around the ARDUINO_NANO_V3.X, from the AVR/Arduino family.

How big is the Tarbleming PCB?

The Tarbleming measures 71 × 128.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Tarbleming?

91 components, from 27 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 Tarbleming design files?

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

Can I use the Tarbleming 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 Tarbleming 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.

Similar boards