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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F.1.csv (StorageFile)-26.csv.2q82jqqf

ID: 121359961

Label: F

Sample length: 84ms

BACKSPACE.1.csv (StorageFile)-42.csv.2qducicf

ID: 121358960

Label: BACKSPACE

Sample length: 102ms

O.1.csv (StorageFile)-33.csv.2q3i4fua

ID: 121360069

Label: O

Sample length: 93ms

Q.1.csv (StorageFile)-47.csv.2qd113mb

ID: 121359804

Label: Q

Sample length: 129ms

unknown.1.csv (StorageFile)-16.csv.2qd4nu1v

ID: 121359609

Label: unknown

Sample length: 84ms

J.1.csv (StorageFile)-6.csv.2qdn9arr

ID: 121359139

Label: J

Sample length: 60ms

O.1.csv (StorageFile)-20.csv.2qd15m8s

ID: 121359757

Label: O

Sample length: 87ms

V.1.csv (StorageFile)-69.csv.2qdin8l0

ID: 121359344

Label: V

Sample length: 90ms

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	178,320
No. of clones	8