Tune in
About the Tune in PCB
Tune in is an open source PCB design by svgeesus, published on GitHub under the MIT license. It is a 2-layer board measuring 38.6 × 24.6 mm, with 27 components from 13 distinct parts.
Other key parts include the TL072, OPA2365 and 74LVC2G17. By type, the board carries 8 capacitors, 6 connectors, 6 resistors, 4 test points and 3 ICs.
It belongs with the audio designs in this gallery.
From the project
Eurorack MPE implementation, 2 to 8 voices
Inspired by the use of duophony on the ARP 2600 and Odyssey, this is a MIDI to CV Eurorack module with twin outputs: low-note priority and high-note priority.
Re-utilising designs from the polyphonic Euro-MPE project, this aims to be a high-precison, flexible, and performance oriented duophonic MIDI to Eurorack CV module. It's MPE compatible, so there is independent expression on each of the two notes.
Main components on the Tune in
Tune in bill of materials (BOM)
27 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL072 | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | OPA2365 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | 74LVC2G17 | SOT-23-6_Handsoldering | U3 |
| 1 | 12V power | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | 3V3 Power | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 2 | Out | PinHeader_1x02_P2.54mm_Vertical | J3, J6 |
| 2 | In | PinHeader_1x02_P2.54mm_Vertical | J4, J5 |
| 4 | TestPoint | TestPoint_THTPad_1.0x1.0mm_Drill0.5mm | TP1, TP2, TP3, TP4 |
| 2 | 470pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C101 |
| 2 | 220pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C102 |
| 4 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C5, C6 |
| 4 | 47k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R101, R102 |
| 2 | 2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R103 |
Tune in design files
The KiCad project lives in the svgeesus/EuroMPE repository on GitHub; these links point at the commit this page was built from.
Tune in: common questions
How big is the Tune in PCB?
The Tune in measures 38.6 × 24.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Tune in?
27 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tune in design files?
From the svgeesus/EuroMPE repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Tune in design in my own project?
Yes, under the terms of its MIT license, which svgeesus chose for the repository.
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