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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G.1.csv (StorageFile)-15.csv.2qdn9cts

ID: 121359039

Label: G

Sample length: 108ms

SPACE.1.csv (StorageFile)-43.csv.2qducjq1

ID: 121358917

Label: SPACE

Sample length: 111ms

Z.1.csv (StorageFile)-45.csv.2qdin4qo

ID: 121359507

Label: Z

Sample length: 108ms

E.1.csv (StorageFile)-8.csv.2q2s7j8h

ID: 121360365

Label: E

Sample length: 102ms

I.1.csv (StorageFile)-32.csv.2qdn9buh

ID: 121359086

Label: I

Sample length: 84ms

T.1.csv (StorageFile)-58.csv.2qd6su26

ID: 121359530

Label: T

Sample length: 123ms

P.1.csv (StorageFile)-43.csv.2q828loc

ID: 121360027

Label: P

Sample length: 123ms

T.1.csv (StorageFile)-54.csv.2qd6stq1

ID: 121359541

Label: T

Sample length: 48ms

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	154,341
No. of clones	8