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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K.1.csv (StorageFile)-24.csv.2q3i4c40

ID: 121360232

Label: K

Sample length: 123ms

Y.1.csv (StorageFile)-46.csv.2qdin6jo

ID: 121359457

Label: Y

Sample length: 96ms

V.1.csv (StorageFile)-46.csv.2qdin99k

ID: 121359302

Label: V

Sample length: 75ms

J.1.csv (StorageFile)-28.csv.2qdn9bcn

ID: 121359116

Label: J

Sample length: 63ms

X.1.csv (StorageFile)-50.csv.2qdin7pd

ID: 121359387

Label: X

Sample length: 90ms

Z.1.csv (StorageFile)-4.csv.2qdin5un

ID: 121359481

Label: Z

Sample length: 99ms

K.1.csv (StorageFile)-3.csv.2qdn9a9q

ID: 121359180

Label: K

Sample length: 132ms

S.1.csv (StorageFile)-16.csv.2qd3bv86

ID: 121359696

Label: S

Sample length: 81ms

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	191,078
No. of clones	8