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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N.1.csv (StorageFile)-1.csv.2qdn99pp

ID: 121359217

Label: N

Sample length: 120ms

F.1.csv (StorageFile)-33.csv.2q82jrgd

ID: 121359953

Label: F

Sample length: 90ms

C.1.csv (StorageFile)-17.csv.2ptpp21f

ID: 121360423

Label: C

Sample length: 147ms

L.1.csv (StorageFile)-7.csv.2q3i4cm4

ID: 121360205

Label: L

Sample length: 75ms

B.1.csv (StorageFile)-7.csv.2ptpp1br

ID: 121360460

Label: B

Sample length: 123ms

N.1.csv (StorageFile)-0.csv.2q3i4e9q

ID: 121360138

Label: N

Sample length: 105ms

T.1.csv (StorageFile)-32.csv.2qd6sti3

ID: 121359567

Label: T

Sample length: 102ms

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

ID: 121359983

Label: F

Sample length: 99ms

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	150,534
No. of clones	8