HardLabs

Imu

olin-electric-motorsports·olin-electric-motorsports·projects/telemetry/imu/imu.kicad_pcb

Imu PCB layout, top view — open source AVR/Arduino board by olin-electric-motorsports

About the Imu PCB

Imu is an open source AVR/Arduino PCB design by olin-electric-motorsports, published on GitHub. It is a 2-layer board measuring 45 × 45 mm, with 48 components from 31 distinct parts.

Its main chip is the ATMEGA16M1-AU-ND, from the AVR/Arduino family. Other key parts include the MCP2561-E/SN-ND, ICM-20948 and TPS560430YFDBVR. By type, the board carries 12 capacitors, 11 resistors, 6 diodes, 4 ICs, 3 test points and 2 connectors.

It belongs with the sensors designs in this gallery.

From the project

OEM Monorepo

The projects/ directory will house projects that are under active and volatile development. This will include things like advanced research projects that won't make it onto the vehicle during the current season, as well as projects that are parallel to the car, like the HIL system.

Once a car-related project has matured enough, it will be moved into the vehicle/ directory, where development may continue to integrate it into the vehicle of the season.

Main components on the Imu

MCP2561-E/SN-NDATMEGA16M1-AU-NDICM-20948TPS560430YFDBVR

Imu bill of materials (BOM)

48 components, 31 distinct parts.

QtyPartRefs
1
MCP2561-E/SN-ND
MCP2561-E_SN
U1
1
ATMEGA16M1-AU-ND
ATMEGA16M1
U2
1
ICM-20948
U3
1
TPS560430YFDBVR
TPS560430YF
U101
1
887-1125-1-ND
Crystal_SMD
Y1
1
609-3234-ND
CONN_02X03
J1
1
2-338068-0
MM_F_VT_20
J2
1
445-11693-1-ND
C_22uF
COUT101
1
445-3924-1-ND
C_33uF
COUT102
1
1276-6467-1-ND
C_47uF
COUT103
1
507-1786-1-ND
F_500mA_16V
F101
1
NCP110AMX180TBG
LDO1
3
Test_Point_SMD
PB3, PB4, PC6
3
Test_Point_SMD
TP4, TP5, TP6
5
475-1410-1-ND
LED_0805
D1, D2, D3, D102, D103
1
SMBJ5355B-TPMSCT-ND
D_Zener_18V
D101
1
445-15759-1-ND
L_100uH
L101
6
478-3352-1-ND
C_0.1uF
C1, C2, C7, C9, C101, C103
1
732-7852-1-ND
C_100pF
C3
2
1276-1130-1-ND
C_30pF
C4, C5
Show 11 more
QtyPartRefs
2
C_1uF
C6, C8
1
311-1451-1-ND
C_2.2uF
C102
1
RNCP0805FTD100RCT-ND
R_100
R1
1
667-ERJ-6ENF1200V
R_120_DNP
R2
1
CRS0805-FX-1002ELFCT-ND
R_10K
R3
3
P499CCT-ND
R_499
R4, R5, R6
1
RNCP0805FTD1K00CT-ND
R_1K
R101
1
R_25K
R102
1
P100KCCT-ND
R_100K
R103
1
A121322CT-ND
R_0_2512
R104
1
RMCF0805JT200RCT-ND
R_200
R105

Imu design files

The KiCad project lives in the olin-electric-motorsports/olin-electric-motorsports repository on GitHub; these links point at the commit this page was built from.

Imu: common questions

What microcontroller does the Imu use?

The Imu is built around the ATMEGA16M1-AU-ND, from the AVR/Arduino family.

How big is the Imu PCB?

The Imu measures 45 × 45 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Imu?

48 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the Imu design files?

From the olin-electric-motorsports/olin-electric-motorsports 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 olin-electric-motorsports. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Imu 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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