BMI160-and-QMC5883L Second Bone

ras-marques·ImmersiveGloves·CustomPCBs/InDevelopment/BMI160-and-QMC5883L_Second_Bone/BMI160-and-QMC5883L_Second_Bone.kicad_pcb

BMI160-and-QMC5883L Second Bone PCB layout, top view — open source board by ras-marques

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About the BMI160-and-QMC5883L Second Bone PCB

BMI160-and-QMC5883L Second Bone is an open source PCB design by ras-marques, published on GitHub under the MIT license. It is a 4-layer board measuring 6.7 × 13.4 mm, with 14 components from 11 distinct parts.

Other key parts include the BMI270 and QMC5883L. By type, the board carries 5 capacitors, 4 resistors, 2 ICs, 2 connectors 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 BMI160-and-QMC5883L Second Bone

BMI270 QMC5883L

BMI160-and-QMC5883L Second Bone bill of materials (BOM)

14 components, 11 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	BMI270 BMI160	Bosch_LGA-14_3x2.5mm_P0.5mm	U1
1	QMC5883L	XDCR_HMC5883L-TR	U2
2	Conn_01x04_MountingPin	JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal	J1, J2
1	SolderJumper_3_Open	Micro_Solder_Jumper	JP1
1	4.7U 100n	C_0201_0603Metric	C1
1	220N 100n	C_0201_0603Metric	C2
1	100N 4.7u	C_0201_0603Metric	C3
1	100N 220n	C_0201_0603Metric	C4
1	100N 100n	C_0201_0603Metric	C5
2	2K2 10k	R_0201_0603Metric	R1, R2
2	2k2	R_0201_0603Metric	R3, R4

BMI160-and-QMC5883L Second Bone 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.

BMI160-and-QMC5883L Second Bone: common questions

How big is the BMI160-and-QMC5883L Second Bone PCB?

The BMI160-and-QMC5883L Second Bone measures 6.7 × 13.4 mm, has 4 copper layers and is 0.8 mm thick.

How many components are on the BMI160-and-QMC5883L Second Bone?

14 components, from 11 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 BMI160-and-QMC5883L Second Bone 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 BMI160-and-QMC5883L Second Bone design in my own project?

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

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