Edge Impulse Experts / Smart Table Tennis Bat – Real‑Time Stroke Classification Public

Target: Arduino Nano 33 BLE Sense (Cortex-M4F 64MHz) Clone this project

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Smart Table Tennis Bat – Real‑Time Stroke Classification

A custom smart table tennis bat for real-time stroke classification and motivational feedback, powered by Edge Impulse and Arduino Nano 33 BLE Sense.

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Data (707 samples)

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FHdrive.30020

ID: 2013511023

Label: FHdrive

Sample length: 500ms

BHdrive.40016

ID: 2013510781

Label: BHdrive

Sample length: 500ms

FHsmash.30013

ID: 2013510693

Label: FHsmash

Sample length: 500ms

unknown.6bq7eh2k

ID: 2447564759

Label: unknown

Sample length: 992ms

BHdrive.20030

ID: 2013510604

Label: BHdrive

Sample length: 500ms

BHdrive.30033

ID: 2013510696

Label: BHdrive

Sample length: 500ms

FHloop.10006

ID: 2013511084

Label: FHloop

Sample length: 500ms

BHdrive.20016

ID: 2013511263

Label: BHdrive

Sample length: 500ms

Model accuracy (Unoptimized (float32))

Validation set

96.4%

Test set

88.0%

On-device performance (Arduino Nano 33 BLE Sense (Cortex-M4F 64MHz), Quantized (int8))

Latency

12 ms.

Peak RAM usage

1.5K

Flash usage

16.8K

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Dataset summary

Data collected

6m 34s

Sensors

accX, accY, accZ, gyrX, gyrY, gyrZ @ 50Hz

Labels

BHdrive, BHsmash, FHdrive, FHloop, FHsmash, unknown, zzz

Project info

Project ID	732429
License	3-Clause BSD
No. of views	46,206
No. of clones	41