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TechWaveAudio-MCM-100-Main

TechWave-Audio·TechWaveAudio-MidiControllerModule·design/TechWaveAudio-MCM-100-PCB-Main/TechWaveAudio-MCM-100-Main.kicad_pcb

TechWaveAudio-MCM-100-Main PCB layout, top view — open source board by TechWave-Audio

About the TechWaveAudio-MCM-100-Main PCB

TechWaveAudio-MCM-100-Main is an open source PCB design by TechWave-Audio, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 30 × 90 mm, with 40 components from 18 distinct parts.

Other key parts include the L7805 and DAC7554IDGSR. By type, the board carries 17 resistors, 15 capacitors, 5 diodes, 2 ICs and 1 transistor.

It belongs with the audio designs in this gallery.

From the project

TechWave Audio Midi Controller Module

A monophonic MIDI controller Eurorack module using the Raspberry Pi Pico (RP2040).

Note on / off: sends/stops the note and velocity outputs. Sends a trigger pulse on note on, and turns on the gate for the duration of the note. For +10v output, responds to C-1 (note number 0) to B9 (note number 119). For +5v output, responds to C2 (middle-C, note number 36) to B6 (note number 95). Volume: increases or decreases the velocity output. Pitch bend: modifies any currently playing note. Adjustable range from 0 to 5 octaves. Sustain: holds a note on while the sustain is active. Aftertouch: selectable…

TechWaveAudio-MCM-100-Main, from the project README
From the project README

Main components on the TechWaveAudio-MCM-100-Main

L7805DAC7554IDGSR

TechWaveAudio-MCM-100-Main bill of materials (BOM)

40 components, 18 distinct parts.

QtyPartRefs
1
L7805
U1
1
DAC7554IDGSR
U3
1
MMBT3904
Q1
3
D_Schottky
D1, D2, D4
2
1N4148
D3, D8
5
10uF
C1, C2, C3, C4, C5
6
100nf
C6, C7, C8, C9, C10, C21
1
10uF
C11
2
10nf
C12, C13
1
330nf
C14
2
4.7k
R14, R16
6
10k
R15, R17, R18, R19, R21, R40
4
100k
R20, R22, R23, R24
1
330k
R25
1
220
R28
1
1k
R33
1
5.1k
R39
1
47k
R41

TechWaveAudio-MCM-100-Main design files

The KiCad project lives in the TechWave-Audio/TechWaveAudio-MidiControllerModule repository on GitHub; these links point at the commit this page was built from.

TechWaveAudio-MCM-100-Main: common questions

How big is the TechWaveAudio-MCM-100-Main PCB?

The TechWaveAudio-MCM-100-Main measures 30 × 90 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TechWaveAudio-MCM-100-Main?

40 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the TechWaveAudio-MCM-100-Main design files?

From the TechWave-Audio/TechWaveAudio-MidiControllerModule repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the TechWaveAudio-MCM-100-Main design in my own project?

Yes, under the terms of its BSD-3-Clause license, which TechWave-Audio chose for the repository.

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