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.

About this project

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Data (707 samples)

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FHloop.30019

ID: 2013510658

Label: FHloop

Sample length: 500ms

BHsmash.0034

ID: 2013511267

Label: BHsmash

Sample length: 500ms

FHloop.30009

ID: 2013510674

Label: FHloop

Sample length: 500ms

FHdrive.20024

ID: 2013511031

Label: FHdrive

Sample length: 500ms

FHsmash.10025

ID: 2013511049

Label: FHsmash

Sample length: 500ms

FHdrive.0019

ID: 2013511114

Label: FHdrive

Sample length: 500ms

unknown.6cbrie5j

ID: 2462182019

Label: unknown

Sample length: 19s

zzz.0016

ID: 2013510627

Label: zzz

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	46,078
No. of clones	40