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Smartcube revA

manhoosbilli1·smart-cube-multi-pcb-flex-assembly

Smartcube revA PCB layout, top view — open source Nordic nRF board by manhoosbilli1
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About the Smartcube revA PCB

Smartcube revA is an open source Nordic nRF PCB design by manhoosbilli1, published on GitHub. It is a 6-layer board measuring 17.1 × 17.1 mm, with 36 components from 19 distinct parts.

Its main chip is the NRF52832-QFXX, from the Nordic nRF family. Other key parts include the 2895, BMI270 and 74HC4051LQ. By type, the board carries 14 capacitors, 9 connectors, 6 ICs, 2 crystals, 2 resistors and 1 antenna.

It belongs with the sensors, rf & radio and iot & wireless designs in this gallery.

From the project

Smart Cube - multi-PCB flex assembly (PCBA, PCBB, PCBC + FLEX + tabs Y/G/B)

Smart Cube - multi-PCB flex assembly (nRF52832 BLE + BMI270 IMU + multi-input analog mux array)

- Status: In progress - Board size: 74.99 x 21.4 mm - Layers: 6 - Components: 39 - Key ICs: - U1: 2895 - U4: nRF52832-QFxx - U5: BMI270 - U6-U8: 74HC4051LQ/TR

- nRF52832-QFxx (U4) - main MCU; Nordic ARM Cortex-M4F with BLE 5.0 radio - BMI270 (U5) - Bosch 6-axis IMU (accelerometer + gyroscope); detects orientation / gestures on the cube - 74HC4051LQ/TR x3 (U6-U8) - 8-channel analog multiplexers; expand the nRF52's limited ADC channels to read many capacitive / pressure sensors across the cube…

Smartcube revA, from the project README
From the project README

Main components on the Smartcube revA

2895NRF52832-QFXXBMI27074HC4051LQ

Smartcube revA bill of materials (BOM)

36 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
2895
U1
1
NRF52832-QFXX
nRF52832-QFxx
U4
1
BMI270
U5
3
74HC4051LQ
74HC4051LQ/TR
U6, U7, U8
1
Q13FC1350000400
Seiko Epson
X1
1
CX2016DB32000D0FLJCC
Y1
1
CONN_01X06
Conn_01x06
J2
4
CONN_01X05_PIN
Conn_01x05_Pin
J4, J5, J6, J7
4
Conn_01x05_Pin
J8, J9, J10, J11
1
2450AT18A100E
AE2
1
FH64MA-7S-0.25SHW
FPC1
1
FH64MA-7S-0.25SHW
FPC2
1
10uF
C1
1
0.1uF
C2
6
0.1UF
0.1uF
C3, C4, C5, C13, C14, C15
1
1UF
1uF
C6
2
8PF
8pF
C9, C10
3
12PF
12pF
FH(Guangdong Fenghua Advanced Tech)
C11, C12, C16
2
4.7K
4.7k
R1, R2

Smartcube revA design files

The KiCad project lives in the manhoosbilli1/smart-cube-multi-pcb-flex-assembly repository on GitHub; these links point at the commit this page was built from.

Smartcube revA: common questions

What microcontroller does the Smartcube revA use?

The Smartcube revA is built around the NRF52832-QFXX, from the Nordic nRF family.

How big is the Smartcube revA PCB?

The Smartcube revA measures 17.1 × 17.1 mm, has 6 copper layers and is 1 mm thick.

How many components are on the Smartcube revA?

36 components, from 19 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 Smartcube revA design files?

From the manhoosbilli1/smart-cube-multi-pcb-flex-assembly 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 Smartcube revA design in my own project?

The repository has no license, so all rights stay with manhoosbilli1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Smartcube revA 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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