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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B.1.csv (StorageFile)-8.csv.2q8lotg7

ID: 121359874

Label: B

Sample length: 126ms

H.1.csv (StorageFile)-22.csv.2q3e7tt5

ID: 121360330

Label: H

Sample length: 81ms

Q.1.csv (StorageFile)-26.csv.2qd113vu

ID: 121359793

Label: Q

Sample length: 108ms

G.1.csv (StorageFile)-8.csv.2q2s7jtv

ID: 121360359

Label: G

Sample length: 111ms

SPACE.1.csv (StorageFile)-40.csv.2qducjjn

ID: 121358923

Label: SPACE

Sample length: 111ms

O.1.csv (StorageFile)-30.csv.2q3i4g03

ID: 121360064

Label: O

Sample length: 87ms

E.1.csv (StorageFile)-7.csv.2q2s7j6j

ID: 121360366

Label: E

Sample length: 105ms

S.1.csv (StorageFile)-36.csv.2qd3btjo

ID: 121359726

Label: S

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	112,408
No. of clones	7