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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V.1.csv (StorageFile)-70.csv.2qdin8l3

ID: 121359335

Label: V

Sample length: 84ms

S.1.csv (StorageFile)-69.csv.2qd3budn

ID: 121359714

Label: S

Sample length: 111ms

X.1.csv (StorageFile)-13.csv.2qdin8b6

ID: 121359353

Label: X

Sample length: 108ms

Z.1.csv (StorageFile)-2.csv.2qdin5ui

ID: 121359482

Label: Z

Sample length: 87ms

F.1.csv (StorageFile)-54.csv.2q82jqag

ID: 121359980

Label: F

Sample length: 87ms

unknown.1.csv (StorageFile)-29.csv.2q88ot51

ID: 121359940

Label: unknown

Sample length: 57ms

K.1.csv (StorageFile)-4.csv.2qdn9a9q

ID: 121359175

Label: K

Sample length: 138ms

X.1.csv (StorageFile)-37.csv.2qdin7ou

ID: 121359381

Label: X

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

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	225,143
No. of clones	8