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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X.1.csv (StorageFile)-15.csv.2qdin8b6

ID: 121359350

Label: X

Sample length: 84ms

O.1.csv (StorageFile)-27.csv.2qd15mae

ID: 121359749

Label: O

Sample length: 105ms

K.1.csv (StorageFile)-12.csv.2q3i4bte

ID: 121360241

Label: K

Sample length: 141ms

Y.1.csv (StorageFile)-51.csv.2qdin6ps

ID: 121359442

Label: Y

Sample length: 93ms

A.1.csv (StorageFile)-7.csv.2q8ln7il

ID: 121359887

Label: A

Sample length: 102ms

J.1.csv (StorageFile)-19.csv.2q3i4cuo

ID: 121360187

Label: J

Sample length: 66ms

M.1.csv (StorageFile)-25.csv.2qdn98nb

ID: 121359261

Label: M

Sample length: 114ms

A.1.csv (StorageFile)-27.csv.2q8ln7g2

ID: 121359895

Label: A

Sample length: 111ms

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	181,659
No. of clones	8