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)-47.csv.2q3i4fgv

ID: 121360091

Label: N

Sample length: 135ms

C.1.csv (StorageFile)-21.csv.2ptpp23s

ID: 121360417

Label: C

Sample length: 126ms

SPACE.1.csv (StorageFile)-2.csv.2qduck8l

ID: 121358890

Label: SPACE

Sample length: 99ms

N.1.csv (StorageFile)-6.csv.2qdn97hg

ID: 121359288

Label: N

Sample length: 120ms

K.1.csv (StorageFile)-28.csv.2q3i4cce

ID: 121360228

Label: K

Sample length: 129ms

E.1.csv (StorageFile)-3.csv.2qdn9e00

ID: 121358979

Label: E

Sample length: 108ms

R.1.csv (StorageFile)-46.csv.2qd3c024

ID: 121359666

Label: R

Sample length: 123ms

J.1.csv (StorageFile)-1.csv.2qdn9arl

ID: 121359147

Label: J

Sample length: 75ms

Model accuracy (Unoptimized (float32))

Validation set

92.6%

Test set

90.3%

On-device performance (Nordic nRF52840 DK (Cortex-M4F 64MHz), Quantized (int8))

Latency

1 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	235,521
No. of clones	9