Midi interface
About the Midi interface PCB
Midi interface is an open source AVR/Arduino PCB design by marian-muenn, published on GitHub. It is a 2-layer board measuring 57.9 × 83.3 mm, with 33 components from 22 distinct parts.
Its main chip is the Arduino_Uno_R3_SMD_Shield, from the AVR/Arduino family. Other key parts include the 6N136. By type, the board carries 14 connectors, 14 resistors, 1 IC, 1 jumper, 1 diode and 1 capacitor.
It belongs with the audio designs in this gallery.
From the project
Im Rahmen des Projektes Ausgewählte Themen der Automatisierungstechnik wurde ein modularer Drumcomputer entworfen.
Main components on the Midi interface
Midi interface bill of materials (BOM)
33 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 6N136 | DIP-8_W7.62mm | U2 |
| 1 | DIN-5 | PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | OUT1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2 |
| 1 | OUT2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | OUT3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | OUT4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J5 |
| 1 | OUT5 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6 |
| 1 | OUT6 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J7 |
| 1 | OUT7 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J8 |
| 1 | OUT8 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J9 |
| 1 | OUT9 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J10 |
| 1 | OUT10 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J11 |
| 1 | OUT11 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J12 |
| 1 | OUT12 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J13 |
| 1 | Conn_02x08_Odd_Even | IDC-Header_2x08_P2.54mm_Vertical | J14 |
| 1 | Jumper_Programming | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | Arduino_Uno_R3_SMD_Shield | Arduino_Uno_R3_Shield | XA1 |
| 1 | 1N914 | D_DO-41_SOD81_P5.08mm_Vertical_AnodeUp | D1 |
| 1 | 0.1u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1 |
| 1 | 560R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 220R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2 |
| 12 | 270R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R4, R5, R6, R7, R8, R9, R10 +4 |
Midi interface design files
The KiCad project lives in the marian-muenn/eib-drumcomputer repository on GitHub; these links point at the commit this page was built from.
Midi interface: common questions
What microcontroller does the Midi interface use?
The Midi interface is built around the Arduino_Uno_R3_SMD_Shield, from the AVR/Arduino family.
How big is the Midi interface PCB?
The Midi interface measures 57.9 × 83.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Midi interface?
33 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Midi interface design files?
From the marian-muenn/eib-drumcomputer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Midi interface design in my own project?
The repository has no license, so all rights stay with marian-muenn. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Midi interface 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.
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