Thomas Vikström / Alphabet Public

Target: Nordic nRF52840 DK (Cortex-M4F 64MHz) Clone this project

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Alphabet

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Data (2,052 samples)

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Y.1.csv (StorageFile)-37.csv.2qdin6dg

ID: 121359464

Label: Y

Sample length: 96ms

C.1.csv (StorageFile)-14.csv.2q8lqcmn

ID: 121359824

Label: C

Sample length: 105ms

T.1.csv (StorageFile)-12.csv.2qd6su36

ID: 121359534

Label: T

Sample length: 123ms

G.1.csv (StorageFile)-19.csv.2q2s7k64

ID: 121360349

Label: G

Sample length: 114ms

C.1.csv (StorageFile)-0.csv.2ptpp1qn

ID: 121360437

Label: C

Sample length: 126ms

Y.1.csv (StorageFile)-44.csv.2qdin6jo

ID: 121359450

Label: Y

Sample length: 93ms

SPACE.1.csv (StorageFile)-61.csv.2qduck11

ID: 121358901

Label: SPACE

Sample length: 111ms

V.1.csv (StorageFile)-28.csv.2qdin8vh

ID: 121359318

Label: V

Sample length: 69ms

Model accuracy (Unoptimized (float32))

Validation set

92.6%

Test set

90.3%

On-device performance (Nordic nRF52840 DK (Cortex-M4F 64MHz), Quantized (int8))

Latency

3 ms.

Peak RAM usage

1.8K

Flash usage

22.9K

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Dataset summary

Data collected

3m 30s

Sensors

x, y, z @ 333.3Hz

Labels

A, B, BACKSPACE, C, D and 23 others

Project info

Project ID	77262
Project version	1
License	No license attached
No. of views	174,712
No. of clones	8