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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U.1.csv (StorageFile)-14.csv.2qd6ssmr

ID: 121359594

Label: U

Sample length: 90ms

T.1.csv (StorageFile)-37.csv.2qd6stib

ID: 121359554

Label: T

Sample length: 126ms

G.1.csv (StorageFile)-47.csv.2qdn9d85

ID: 121359012

Label: G

Sample length: 123ms

A.1.csv (StorageFile)-21.csv.2q8ln7g3

ID: 121359902

Label: A

Sample length: 90ms

I.1.csv (StorageFile)-24.csv.2q3e7vf0

ID: 121360296

Label: I

Sample length: 90ms

T.1.csv (StorageFile)-53.csv.2qd6stps

ID: 121359543

Label: T

Sample length: 126ms

X.1.csv (StorageFile)-27.csv.2qdin7hp

ID: 121359399

Label: X

Sample length: 87ms

G.1.csv (StorageFile)-40.csv.2qdn9d7b

ID: 121359024

Label: G

Sample length: 117ms

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	162,190
No. of clones	8