HardLabs

IMU-controller

TomasD-git·IMU-controller·PCB/IMU controller.kicad_pcb

IMU-controller PCB layout, top view — open source Nordic nRF board by TomasD-git

About the IMU-controller PCB

IMU-controller is an open source Nordic nRF PCB design by TomasD-git, published on GitHub under the EPL-2.0 license. It is a 4-layer board measuring 30 × 30 mm, with 29 components from 21 distinct parts.

Its main chip is the NRF52810-QFAA-R, from the Nordic nRF family. Other key parts include the FC31M2-32.768-N09LLDT, BMI270, LS L29K-G1J2-1-Z and PTS526SMG15SMTR21 LFS. By type, the board carries 16 capacitors, 5 ICs, 4 inductors, 1 crystal, 1 connector and 1 battery holder.

It belongs with the iot & wireless, power & battery and sensors designs in this gallery.

From the project

Ultra low power IMU controllers, can control anything over bluetooth using IMU, all running on coin cell battery

0. Connect device to PC using segger j-link 1. Open VS Code 2. Select connected device in left bottom corner:

1. Print all parts and assemble PCB 2. Flash 3. Place the Coin Cell battery into the holder 4. Place the PCB inside the case 5. Screw the bottom lid into the top one 6. Verify it works by clicking the button

IMU-controller, from the project README
From the project README

Main components on the IMU-controller

NRF52810-QFAA-RFC31M2-32.768-N09LLDTBMI270LS L29K-G1J2-1-ZPTS526SMG15SMTR21 LFS

IMU-controller bill of materials (BOM)

29 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
NRF52810-QFAA-R
NORDIC
U1
1
FC31M2-32.768-N09LLDT
HCI(杭晶)
U2
1
BMI270
Bosch(博世)
U3
1
LS L29K-G1J2-1-Z
OSRAM(欧司朗)
U4
1
PTS526SMG15SMTR21 LFS
C&K
U6
1
S3232000081040
JGHC(晶光华)
X1
1
Conn_01x05
J1
1
MY-2032-12
MYOUNG(美阳)
BT1
1
3.9nH
L2
1
AN3216-245
Rainsun(霖昱微)
L3
1
2.7nH
L4
1
3.3nH
L5
5
100nF
C1, C3, C4, C12, C13
1
4.7uF
C2
1
100pF
C5
5
12pF
C6, C8, C9, C10, C11
1
1uF
C7
1
10uF
C14
1
0.8pF
C19
1
1.2pF
C20
Show 1 more
QtyPartRefs
1
620
R1

IMU-controller design files

The KiCad project lives in the TomasD-git/IMU-controller repository on GitHub; these links point at the commit this page was built from.

IMU-controller: common questions

What microcontroller does the IMU-controller use?

The IMU-controller is built around the NRF52810-QFAA-R, from the Nordic nRF family.

How big is the IMU-controller PCB?

The IMU-controller measures 30 × 30 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the IMU-controller?

29 components, from 21 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-controller design files?

From the TomasD-git/IMU-controller 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-controller design in my own project?

It is published under EPL-2.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the IMU-controller without the hardware?

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

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