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)-18.csv.2qdin8tu

ID: 121359333

Label: V

Sample length: 72ms

J.1.csv (StorageFile)-22.csv.2qdn9b4c

ID: 121359118

Label: J

Sample length: 75ms

SPACE.1.csv (StorageFile)-36.csv.2qducknk

ID: 121358854

Label: SPACE

Sample length: 111ms

unknown.1.csv (StorageFile)-1.csv.2q88osil

ID: 121359950

Label: unknown

Sample length: 45ms

unknown.1.csv (StorageFile)-9.csv.2qd4nt6l

ID: 121359615

Label: unknown

Sample length: 72ms

I.1.csv (StorageFile)-40.csv.2qdn9but

ID: 121359077

Label: I

Sample length: 84ms

N.1.csv (StorageFile)-46.csv.2q3i4f56

ID: 121360096

Label: N

Sample length: 138ms

X.1.csv (StorageFile)-30.csv.2qdin7hs

ID: 121359395

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

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	142,318
No. of clones	8