Table 1.
The specifications of the wireless wearable health sensor.
| Specification | Description | Value |
|---|---|---|
| Sensor size and weight | sensor packaging & battery (no electrodes) | (60 × 12 × 5) mm 15 g |
| Sensor circuit size | PCB & battery | (30 × 10 × 3) mm 6 g |
| Power source | rechargeable battery | 8 h/charging |
| Data transmission | Bluetooth wireless | 1 M bps in 2 m |
| Sound transducer | piezoelectric plate | 10 mm diameter |
| EMG electrodes | Disposable Ag/AgCl standard pre-gelled and self-adhesive | (20 × 20) mm |
| Front-end circuit | Intan Tech Chip | 10 mV, 16 bit, 8 ch |
| Onboard CPU | ARM Cortex M4 | 4096 Hz/ch sampling rate |
| Wireless circuit | NRF 52X | 2.4 G ESB RF |