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

ID: 121359828

Label: C

Sample length: 117ms

K.1.csv (StorageFile)-43.csv.2qdn9a9k

ID: 121359181

Label: K

Sample length: 126ms

L.1.csv (StorageFile)-20.csv.2qdn99qj

ID: 121359212

Label: L

Sample length: 75ms

K.1.csv (StorageFile)-40.csv.2qdn9a9e

ID: 121359185

Label: K

Sample length: 129ms

B.1.csv (StorageFile)-33.csv.2q8lhrm0

ID: 121359914

Label: B

Sample length: 111ms

L.1.csv (StorageFile)-20.csv.2q3i4cua

ID: 121360189

Label: L

Sample length: 69ms

I.1.csv (StorageFile)-3.csv.2qdn9bdb

ID: 121359112

Label: I

Sample length: 81ms

E.1.csv (StorageFile)-2.csv.2q2s7i6o

ID: 121360378

Label: E

Sample length: 105ms

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	159,874
No. of clones	8