TechWave Audio - MCM-100-IO
About the TechWave Audio - MCM-100-IO PCB
TechWave Audio - MCM-100-IO 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 22 distinct parts.
Other key parts include the TL074. By type, the board carries 23 resistors, 10 connectors, 3 diodes, 2 ICs and 1 switch.
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…
Main components on the TechWave Audio - MCM-100-IO
TechWave Audio - MCM-100-IO bill of materials (BOM)
40 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TL074 | SOIC-14_3.9x8.7mm_P1.27mm | U1, U2 |
| 1 | Aux | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J2 |
| 1 | Control | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J3 |
| 1 | Gate | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J4 |
| 1 | Clock | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J5 |
| 1 | Trigger | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J6 |
| 1 | IO_EncClkNoteConn | PinSocket_2x04_P2.54mm_Vertical | J9 |
| 1 | Velocity | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J13 |
| 1 | Note | Audio_Jack_3.5mm_SameSky_SJ3-3505x | J14 |
| 1 | IO_OLED/DacOut | PinSocket_1x08_P2.54mm_Vertical | J15 |
| 1 | IO_GateClkTrg | PinSocket_2x03_P2.54mm_Vertical | J19 |
| 1 | SSD1306 | PinSocket_1x04_P2.54mm_Vertical | OLED1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder-PEC11-Breakout_Board | SW1 |
| 1 | Power | LED_D3.0mm | D9 |
| 1 | Clock | LED_D3.0mm | D10 |
| 1 | Note On | LED_D3.0mm | D11 |
| 4 | 1k | Potentiometer_Bourns_3296X_Horizontal | R1, R3, R34, R35 |
| 4 | 4.7k | R_0402_1005Metric | R2, R5, R31, R32 |
| 7 | 5.1k | R_0402_1005Metric | R4, R6, R7, R8, R9, R29, R30 |
| 3 | 10k | R_0402_1005Metric | R10, R11, R12 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 1k | R_0402_1005Metric | R13, R16, R36 |
| 2 | 330 | R_0402_1005Metric | R37, R38 |
TechWave Audio - MCM-100-IO 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.
TechWave Audio - MCM-100-IO: common questions
How big is the TechWave Audio - MCM-100-IO PCB?
The TechWave Audio - MCM-100-IO measures 30 × 90 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TechWave Audio - MCM-100-IO?
40 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the TechWave Audio - MCM-100-IO 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 TechWave Audio - MCM-100-IO 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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