IMU
About the IMU PCB
IMU is an open source PCB design by UofA-SPEAR, published on GitHub. It is a 2-layer board measuring 21.3 × 53.7 mm, with 17 components from 9 distinct parts.
Other key parts include the BNO055. By type, the board carries 7 resistors, 6 capacitors, 2 jumpers, 1 IC and 1 crystal.
It belongs with the sensors designs in this gallery.
From the project
A place for SPEAR PCBs
Central repository to hold PCB designs for SPEAR.
All board documentation shall be held in the Wiki..
If you plan on contributing to the PCB designs, first, you need to go through this list:
1. Sign up for github, and fill out the new member form (contact the current team lead for this). 2. Follow the GitHub Guides, specifically: - "Hello World" - "Understanding the GitHub flow." - "Documenting your projects on GitHub" 3. Follow the Onboarding Task.
Main components on the IMU
IMU bill of materials (BOM)
17 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BNO055 | BNO055 | IC1 |
| 1 | ECS-.327-12.5-39-TR | ECS-.327-12.5-39-TR | Y1 |
| 1 | — | 1X04 | JP1 |
| 1 | — | 2X20 | JP2 |
| 2 | 100n | C0805 | C1, C4 |
| 1 | 120n | C0805 | C2 |
| 1 | 6.8n | C0805 | C3 |
| 2 | 22p | C0805 | C5, C6 |
| 7 | 10K | R0805 | R1, R2, R3, R4, R5, R6, R7 |
IMU design files
The KiCad project lives in the UofA-SPEAR/pcb_designs repository on GitHub; these links point at the commit this page was built from.
IMU: common questions
How big is the IMU PCB?
The IMU measures 21.3 × 53.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the IMU?
17 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the IMU design files?
From the UofA-SPEAR/pcb_designs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the IMU design in my own project?
The repository has no license, so all rights stay with UofA-SPEAR. Use it as a reference, and ask the author before reusing the design.
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