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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M.1.csv (StorageFile)-48.csv.2q3i4e9q

ID: 121360141

Label: M

Sample length: 108ms

C.1.csv (StorageFile)-19.csv.2q8lqcnr

ID: 121359821

Label: C

Sample length: 111ms

J.1.csv (StorageFile)-27.csv.2q3i4b05

ID: 121360273

Label: J

Sample length: 54ms

A.1.csv (StorageFile)-25.csv.2q8ln7g4

ID: 121359899

Label: A

Sample length: 111ms

S.1.csv (StorageFile)-57.csv.2qd3bttl

ID: 121359724

Label: S

Sample length: 123ms

J.1.csv (StorageFile)-49.csv.2q3i4bnc

ID: 121360255

Label: J

Sample length: 60ms

D.1.csv (StorageFile)-15.csv.2q8lqchg

ID: 121359839

Label: D

Sample length: 111ms

A.1.csv (StorageFile)-22.csv.2ptpp0qn

ID: 121360477

Label: A

Sample length: 108ms

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	213,791
No. of clones	8