2 layers65 × 56 mm
ClumsyMIDI
gmcn42/clumsyMIDI
A THT-only Raspberry Pi expansion board containing a MIDI interface, DAC, and OLED display
26 parts90CC-BY-SA-4.0
2 layers69.9 × 69.9 mm
A few files written for one specific MIDI controller (mainly for reference).
- Size
- 69.9 × 69.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 55
- Pads
- 202
- Tracks, vias
- 447, 22
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 30 Apr 2015
- Updated
- 12 Sep 2026
Overview
MOMI is an open-source printed circuit board by joshnishikawa, from the joshnishikawa/MomiPlug repository on GitHub. It is a 2-layer board of 69.9 × 69.9 mm with 56 parts on 55 nets, routed with 447 tracks and 22 vias.
It is built around the H11L1M. Its parts include 20 resistors, 14 connectors, 8 diodes, 6 capacitors and 2 ICs.
Main components
1Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 330 | R_SMD_3D:R_0805_2012Metric | R5, R8, R9, R10, R11, R12, R17 |
| 4 | 10uF | C_SMD_3D:C_0805_2012Metric | C1, C3, C5, C6 |
| 4 | 47k | R_SMD_3D:R_0805_2012Metric | R16, R21, R22, R23 |
| 3 | 220 | R_SMD_3D:R_0805_2012Metric | R2, R3, R4 |
| 3 | Red LED | LED_THT_3D:LED_D3.0mm | D3, D4, D6 |
| 2 | 1uF | C_SMD_3D:C_0805_2012Metric | C2, C4 |
| 2 | 4.7k | R_SMD_3D:R_0805_2012Metric | R6, R7 |
| 2 | Conn_01x18_Female | S_2.54_3D:PinSocket_1x18_P2.54mm_Vertical | J8, J9 |
| 2 | Conn_02x04_Male | P_2.54_3D:PinHeader_2x04_P2.54mm_Horizontal | J1, J3 |
| 1 | 100k | R_SMD_3D:R_0805_2012Metric | R18 |
| 1 | 10k | R_SMD_3D:R_0805_2012Metric | R20 |
| 1 | 2.2k | R_SMD_3D:R_0805_2012Metric | R19 |
| 1 | 270 | R_SMD_3D:R_0805_2012Metric | R1 |
| 1 | AudioJack4 | Conn_Aud_3D:Jack_3.5mm_PJ320D_Horizontal | J12 |
| 1 | Battery_Cell | Conn_JST_3D:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | BT1 |
| 1 | Blue LED | LED_THT_3D:LED_D3.0mm | D7 |
| 1 | Conn_01x03_Male | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J14 |
| 1 | Conn_01x04_Female | S_2.54_3D:PinSocket_1x04_P2.54mm_Vertical | J7 |
| 1 | Conn_01x05_Male | P_2.54_3D:PinHeader_1x05_P2.54mm_Vertical | J11 |
| 1 | D | Diodes_ThroughHole:D_A-405_P2.54mm_Vertical_AnodeUp | D1 |
| 1 | Dual Footswitch | digikey-footprints:Headphone_Jack_6.35mm_RA49B14B | J13 |
| 1 | Encoder_Switch | digikey-footprints:Rotary_Encoder_Switched_PEC11R | SW2 |
| 1 | Expression Pedal | digikey-footprints:Headphone_Jack_6.35mm_RA49B14B | J10 |
| 1 | Green LED | LED_SMD_3D:LED_0805_2012Metric | D5 |
| 1 | Green LED | LED_THT_3D:LED_D3.0mm | D2 |
| 1 | H11L1M | digikey-footprints:DIP-6_W7.62mm | U1 |
| 1 | JST 1mm (I2C) | Conn_JST_3D:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J5 |
| 1 | MAX1555EZK_T | digikey-footprints:SOT-753 | U2 |
| 1 | MIDI in | Conn_Aud_3D:SDS-50J | J2 |
| 1 | MIDI out | Conn_Aud_3D:SDS-50J | J4 |
| 1 | Red LED | LED_SMD_3D:LED_0805_2012Metric | D8 |
| 1 | SW_SPDT | Sw_THT_3D:SW_CuK_OS102011MA1QN1_SPDT_Angled | SW1 |
| 1 | USB_A | USB_3D:USB_A_Stewart_SS-52100-001_Horizontal | J6 |
The 53 most common of 56 parts.
Questions
How big is the MOMI PCB?
It measures 69.9 × 69.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MOMI use?
56 parts, built around the H11L1M. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the MOMI KiCad files?
From the joshnishikawa/MomiPlug repository on GitHub, at the commit this page was made from: the board is KiCad/MOMI.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MOMI design in my own project?
Its repository states no licence, so its author keeps all rights: ask joshnishikawa before reusing the design.
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