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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G.1.csv (StorageFile)-15.csv.2q2s7k60

ID: 121360354

Label: G

Sample length: 123ms

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

ID: 121360182

Label: L

Sample length: 66ms

N.1.csv (StorageFile)-47.csv.2q3i4fgv

ID: 121360091

Label: N

Sample length: 135ms

O.1.csv (StorageFile)-31.csv.2q3i4fu6

ID: 121360071

Label: O

Sample length: 99ms

U.1.csv (StorageFile)-61.csv.2qd6su33

ID: 121359525

Label: U

Sample length: 90ms

K.1.csv (StorageFile)-39.csv.2q3i4cd6

ID: 121360217

Label: K

Sample length: 135ms

Z.1.csv (StorageFile)-27.csv.2qdin4vr

ID: 121359503

Label: Z

Sample length: 114ms

Q.1.csv (StorageFile)-60.csv.2qd1148l

ID: 121359790

Label: Q

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

1 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	255,629
No. of clones	11