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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unknown.1.csv (StorageFile)-5.csv.2qd4ns83

ID: 121359616

Label: unknown

Sample length: 48ms

X.1.csv (StorageFile)-60.csv.2qdin81l

ID: 121359375

Label: X

Sample length: 111ms

L.1.csv (StorageFile)-34.csv.2q3i4d9q

ID: 121360182

Label: L

Sample length: 66ms

P.1.csv (StorageFile)-33.csv.2q828lhs

ID: 121360038

Label: P

Sample length: 102ms

unknown.1.csv (StorageFile)-29.csv.2q88ot51

ID: 121359940

Label: unknown

Sample length: 57ms

Z.1.csv (StorageFile)-56.csv.2qdin5c8

ID: 121359496

Label: Z

Sample length: 111ms

F.1.csv (StorageFile)-28.csv.2q82jr34

ID: 121359956

Label: F

Sample length: 69ms

B.1.csv (StorageFile)-20.csv.2q8lotbn

ID: 121359883

Label: B

Sample length: 126ms

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	209,315
No. of clones	8