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Multi imu

ras-marques·ImmersiveGloves·CustomPCBs/InDevelopment/Multi_IMU/multi_imu/multi_imu.kicad_pcb

Multi imu PCB layout, top view — open source board by ras-marques
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About the Multi imu PCB

Multi imu is an open source PCB design by ras-marques, published on GitHub under the MIT license. It is a 4-layer board measuring 7.4 × 12.7 mm, with 8 components from 6 distinct parts.

Other key parts include the BMI270. By type, the board carries 2 connectors, 2 capacitors, 2 resistors, 1 IC and 1 jumper.

It belongs with the sensors designs in this gallery.

From the project

I want to share how I am making vr gloves using 2 Tundra Trackers, 2 interface boards and 12 inertial sensors.

I want to share how I am making vr gloves using 2 Tundra Trackers, 2 interface boards and 12 inertial sensors.

https://github.com/ras-marques/ImmersiveGloves/assets/6479742/4af1af61-4261-44ce-aa3d-e45de0df7709

Check the full presentation on youtube https://www.youtube.com/watch?v=5OSYiYDkOE8

Hand tracking works with curl and splay on all fingers with 1 IMU on each finger. There is a joystick that is enabled by touching the thumb to the index finger and B, A and System buttons are available by touching the thumb to the middle, ring and pinky fingers respectively.

Main components on the Multi imu

BMI270

Multi imu bill of materials (BOM)

8 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BMI270
ICM-20948
U1
2
Conn_01x04_MountingPin
J3, J4
1
SolderJumper_3_Open
JP1
1
4.7U
100n
C1
1
220N
100n
C2
2
2K2
10k
R1, R2

Multi imu design files

The KiCad project lives in the ras-marques/ImmersiveGloves repository on GitHub; these links point at the commit this page was built from.

Multi imu: common questions

How big is the Multi imu PCB?

The Multi imu measures 7.4 × 12.7 mm, has 4 copper layers and is 0.8 mm thick.

How many components are on the Multi imu?

8 components, from 6 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 Multi imu design files?

From the ras-marques/ImmersiveGloves repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Multi imu design in my own project?

Yes, under the terms of its MIT license, which ras-marques chose for the repository.

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