HardLabs

Imu board

eshazen·ninjanirs-imu·KiCAD/imu-board/imu-board.kicad_pcb

Imu board layout, top view — open source AVR/Arduino board by eshazen

About the Imu board

Imu board is an open source AVR/Arduino PCB design by eshazen, published on GitHub. It is a 4-layer board measuring 11.2 × 18 mm, with 10 components from 8 distinct parts.

Its main chip is the ATMEGA168A-MM, from the AVR/Arduino family. Other key parts include the ISM330DHCX. By type, the board carries 2 ICs, 2 connectors, 2 jumpers, 2 capacitors, 1 diode and 1 resistor.

It belongs with the sensors designs in this gallery.

From the project

IMU and multiplexer designs for ninjaNIRS

IMU and multiplexer designs for ninjaNIRS. PCBs in this repo:

KiCAD/imu-adapter - programming adapter for MCU programming (for V1 and V2) KiCAD/imu-board - the IMU board. Now V2. Accommodates an optional RJ-11 jack on the back KiCAD/imu-rj-adapter - RJ-11 adapter for V1 IMU boards (obsolete) KiCAD/imu-splitter - splitter for connecting IMU to NinjaNIRS readout via ribbon cable (for V1 and V2)

Main components on the Imu board

ISM330DHCXATMEGA168A-MM

Imu board bill of materials (BOM)

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

QtyPartRefs
1
ISM330DHCX
U2
1
ATMEGA168A-MM
ATmega168A-MM
U3
1
A-2004-3-4-LP-N-R
J2
1
-OMIT-
J3
2
-OMIT-
JP1, JP2
1
LED
D1
2
0.1UF
0.1uF
C1, C2
1
680
R1

Imu board design files

The KiCad project lives in the eshazen/ninjanirs-imu repository on GitHub; these links point at the commit this page was built from.

Imu board: common questions

What microcontroller does the Imu board use?

The Imu board is built around the ATMEGA168A-MM, from the AVR/Arduino family.

How big is the Imu board?

The Imu board measures 11.2 × 18 mm, has 4 copper layers and is 0.8 mm thick.

How many components are on the Imu board?

10 components, from 8 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 Imu board design files?

From the eshazen/ninjanirs-imu 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 Imu board design in my own project?

The repository has no license, so all rights stay with eshazen. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Imu board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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