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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C.1.csv (StorageFile)-20.csv.2q8lqcnr

ID: 121359820

Label: C

Sample length: 117ms

F.1.csv (StorageFile)-53.csv.2q82jq9q

ID: 121359983

Label: F

Sample length: 99ms

C.1.csv (StorageFile)-5.csv.2ptpp1t7

ID: 121360432

Label: C

Sample length: 144ms

V.1.csv (StorageFile)-54.csv.2qdin9eg

ID: 121359297

Label: V

Sample length: 75ms

P.1.csv (StorageFile)-50.csv.2q828lu5

ID: 121360023

Label: P

Sample length: 84ms

R.1.csv (StorageFile)-37.csv.2qd3bvpj

ID: 121359679

Label: R

Sample length: 120ms

G.1.csv (StorageFile)-4.csv.2q2s7jtn

ID: 121360362

Label: G

Sample length: 102ms

K.1.csv (StorageFile)-6.csv.2qdn9a9v

ID: 121359174

Label: K

Sample length: 141ms

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	161,958
No. of clones	8