HardLabs

OMIDItone Controller V2

kiyoshigawa·oMIDItone_Controller_V2·Controller PCB/oMIDItone V2/oMIDItone V2.kicad_pcb

OMIDItone Controller V2 PCB layout, top view — open source NXP board by kiyoshigawa

About the OMIDItone Controller V2 PCB

OMIDItone Controller V2 is an open source NXP PCB design by kiyoshigawa, published on GitHub under the LGPL-3.0 license. It is a 2-layer board measuring 106.7 × 109.2 mm, with 75 components from 17 distinct parts.

Its main chip is the Teensy3.2, from the NXP family. Other key parts include the DUAL-OPTO and MCP-4151. By type, the board carries 30 resistors, 19 ICs, 8 connectors, 6 transistors and 6 switches.

It belongs with the audio designs in this gallery.

From the project

This is a refactored and updated version of the code in the https://github.com/kiyoshigawa/oMIDItone github repo intended to simplify and make faster the existing code base while simultaneously switching to PlatformIO.

This is a refactored and updated version of the code in the https://github.com/kiyoshigawa/oMIDItone github repo intended to simplify and make faster the existing code base while simultaneously switching to PlatformIO.

It is code written to run a 6-head MIDI controlled Otamatone synth, including lighting and mouth opening/closing servo animations. The project is running on a Teensy 3.2, using the arduino framework through PlatformIO, and is using the following libraries in addition to the libraries that I have written myself specifically for this project…

Main components on the OMIDItone Controller V2

Teensy3.2DUAL-OPTOMCP-4151

OMIDItone Controller V2 bill of materials (BOM)

75 components, 17 distinct parts.

QtyPartRefs
1
Teensy3.2
U1
6
DUAL-OPTO
U2, U3, U4, U5, U6, U7
12
MCP-4151
U8, U9, U10, U11, U12, U13, U14, U15 +4
6
BSS138
Q1, Q2, Q3, Q4, Q5, Q6
1
LED_Strip
J1
1
LED Power
J2
1
MIDI
J3
1
Otamatone Power
J4
1
3v3_I2C
J5
1
PCA9685
J6
1
5v_I2C
J7
1
SPI_Out
J8
6
otamatone
OM1, OM2, OM3, OM4, OM5, OM6
6
Speaker
S1, S2, S3, S4, S5, S6
12
10k
R1, R2, R3, R4, R5, R6, R7, R14 +4
12
270R
R8, R9, R10, R11, R12, R13, R19, R20 +4
6
1k
R25, R26, R27, R28, R29, R30

OMIDItone Controller V2 design files

The KiCad project lives in the kiyoshigawa/oMIDItone_Controller_V2 repository on GitHub; these links point at the commit this page was built from.

OMIDItone Controller V2: common questions

What microcontroller does the OMIDItone Controller V2 use?

The OMIDItone Controller V2 is built around the Teensy3.2, from the NXP family.

How big is the OMIDItone Controller V2 PCB?

The OMIDItone Controller V2 measures 106.7 × 109.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the OMIDItone Controller V2?

75 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the OMIDItone Controller V2 design files?

From the kiyoshigawa/oMIDItone_Controller_V2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the OMIDItone Controller V2 design in my own project?

Yes, under the terms of its LGPL-3.0 license, which kiyoshigawa chose for the repository.

Can I test firmware for the OMIDItone Controller V2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.

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