Museduioon v3.1 I2C
CTDL·museduino·hardware/kicad/MAIN SHIELD/3.1/MUSE_main_3.1/MUSE_main_3.1_I2C.kicad_pcb
About the Museduioon v3.1 I2C PCB
Museduioon v3.1 I2C is an open source PCB design by CTDL, published on GitHub. It is a 4-layer board measuring 96.5 × 63.5 mm, with 19 components from 14 distinct parts.
Other key parts include the MCP23017-E_SP. By type, the board carries 13 connectors, 3 jumpers, 1 IC, 1 diode and 1 resistor.
From the project
an open source electronics environment for exhibits
All files are under hardware folder and subdivided by PCB design software.
ExpressPCB folder contains versions 2.2 and below. Kicad folder is organized by board name contains its own versions (3.0 or greater).
View changelog.md for further information on changes between versions.

Main components on the Museduioon v3.1 I2C
Museduioon v3.1 I2C bill of materials (BOM)
19 components, 14 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP23017-E_SP LM7805CT | TO-220_Horizontal | U1 |
| 2 | RJ45_01X08 CONN_01X08 | Pin_Header_Straight_1x08_Pitch2.54mm | J1, J4 |
| 1 | RJ45_01X08 CONN_01X10 | Pin_Header_Straight_1x10_Pitch2.54mm | J2 |
| 1 | RJ45_01X08 CONN_01X06 | Pin_Header_Straight_1x06_Pitch2.54mm | J3 |
| 4 | RJ45_01X08 CONN_01X08 | RJ45_8 | J5, J6, J7, J8 |
| 1 | RJ45_01X08 BARREL_JACK | BARREL_JACK_RND | J9 |
| 1 | CONN_01X09 CONN_01X08 | Pin_Header_Straight_1x08_Pitch2.54mm | J11 |
| 1 | CONN_01X09 CONN_01X10 | Pin_Header_Straight_1x10_Pitch2.54mm | J12 |
| 1 | CONN_01X09 CONN_01X06 | Pin_Header_Straight_1x06_Pitch2.54mm | J13 |
| 1 | CONN_01X08 | Pin_Header_Straight_1x08_Pitch2.54mm | J14 |
| 1 | CONN_01X03 | Pin_Header_Straight_1x03_Pitch2.54mm | JP1 |
| 2 | CONN_02X03 | Pin_Header_Straight_2x03_Pitch2.54mm | JP5, JP6 |
| 1 | LED | LED_D3.0mm | D1 |
| 1 | 10K 470 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
Museduioon v3.1 I2C design files
The KiCad project lives in the CTDL/museduino repository on GitHub; these links point at the commit this page was built from.
Museduioon v3.1 I2C: common questions
How big is the Museduioon v3.1 I2C PCB?
The Museduioon v3.1 I2C measures 96.5 × 63.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Museduioon v3.1 I2C?
19 components, from 14 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Museduioon v3.1 I2C design files?
From the CTDL/museduino repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Museduioon v3.1 I2C design in my own project?
The repository has no license, so all rights stay with CTDL. Use it as a reference, and ask the author before reusing the design.
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