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)-45.csv.2qdn9d85

ID: 121359018

Label: G

Sample length: 108ms

SPACE.1.csv (StorageFile)-24.csv.2qduckft

ID: 121358862

Label: SPACE

Sample length: 108ms

E.1.csv (StorageFile)-33.csv.2qdn9dtk

ID: 121358995

Label: E

Sample length: 117ms

D.1.csv (StorageFile)-30.csv.2q8lqc9r

ID: 121359864

Label: D

Sample length: 96ms

Y.1.csv (StorageFile)-63.csv.2qdin6rk

ID: 121359433

Label: Y

Sample length: 90ms

K.1.csv (StorageFile)-36.csv.2qdn9ar7

ID: 121359144

Label: K

Sample length: 138ms

A.1.csv (StorageFile)-26.csv.2ptpp0vr

ID: 121360473

Label: A

Sample length: 108ms

O.1.csv (StorageFile)-4.csv.2q3i4fhm

ID: 121360088

Label: O

Sample length: 87ms

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	136,957
No. of clones	8