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

ID: 121360082

Label: O

Sample length: 87ms

BACKSPACE.1.csv (StorageFile)-69.csv.2qducj7j

ID: 121358936

Label: BACKSPACE

Sample length: 105ms

U.1.csv (StorageFile)-43.csv.2qd6srtf

ID: 121359608

Label: U

Sample length: 87ms

J.1.csv (StorageFile)-2.csv.2qdn9arl

ID: 121359138

Label: J

Sample length: 111ms

T.1.csv (StorageFile)-32.csv.2qd6sti3

ID: 121359567

Label: T

Sample length: 102ms

L.1.csv (StorageFile)-6.csv.2q3i4clg

ID: 121360207

Label: L

Sample length: 54ms

Z.1.csv (StorageFile)-65.csv.2qdin5oc

ID: 121359487

Label: Z

Sample length: 105ms

B.1.csv (StorageFile)-30.csv.2q8lhrai

ID: 121359916

Label: B

Sample length: 114ms

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	197,357
No. of clones	8