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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T.1.csv (StorageFile)-15.csv.2qd6subk

ID: 121359522

Label: T

Sample length: 108ms

M.1.csv (StorageFile)-25.csv.2q3i4dud

ID: 121360150

Label: M

Sample length: 117ms

K.1.csv (StorageFile)-25.csv.2qdn9aiv

ID: 121359156

Label: K

Sample length: 135ms

N.1.csv (StorageFile)-16.csv.2q3i4epa

ID: 121360116

Label: N

Sample length: 117ms

D.1.csv (StorageFile)-25.csv.2ptpp2gv

ID: 121360391

Label: D

Sample length: 111ms

E.1.csv (StorageFile)-22.csv.2qdn9dh9

ID: 121359004

Label: E

Sample length: 105ms

S.1.csv (StorageFile)-24.csv.2qd3bv8j

ID: 121359693

Label: S

Sample length: 81ms

E.1.csv (StorageFile)-25.csv.2qdn9dhf

ID: 121359003

Label: E

Sample length: 117ms

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	185,817
No. of clones	8