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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N.1.csv (StorageFile)-22.csv.2qdn98b4

ID: 121359269

Label: N

Sample length: 111ms

K.1.csv (StorageFile)-34.csv.2qdn9ar2

ID: 121359150

Label: K

Sample length: 141ms

Q.1.csv (StorageFile)-26.csv.2qd113vu

ID: 121359793

Label: Q

Sample length: 108ms

SPACE.1.csv (StorageFile)-50.csv.2qducjq9

ID: 121358916

Label: SPACE

Sample length: 93ms

T.1.csv (StorageFile)-23.csv.2qd6subs

ID: 121359521

Label: T

Sample length: 114ms

N.1.csv (StorageFile)-36.csv.2q3i4f4h

ID: 121360103

Label: N

Sample length: 111ms

J.1.csv (StorageFile)-25.csv.2qdn9b4f

ID: 121359122

Label: J

Sample length: 60ms

C.1.csv (StorageFile)-13.csv.2q8lqcmn

ID: 121359828

Label: C

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	178,043
No. of clones	8