Smart Sensing & Edge DSPPrototype
BioTrace Wearable Biopotential Sensor
A flexible-PCB wearable that captures ECG and EMG, filters and extracts heart-rate and muscle-activation features locally, and streams only events over BLE.
Block diagram
Selected block
Electrodes
Ag/AgCl snaps
Connects to: Biopotential AFE
Hover or tap a block to explore.
Specifications
| Channels | 2 differential |
| ADC | 24-bit ΔΣ, up to 2 kSPS |
| Input noise | < 1 µVpp (0.5–150 Hz) |
| CMRR | > 110 dB |
| Battery | Li-Po 120 mAh, ~5 days |
| Size | 48 × 28 × 6 mm |
Engineering breakdown
- 01
Analog front end
Right-leg drive and lead-off detection keep signals clean on moving subjects.
- 02
Edge DSP
Pan-Tompkins QRS detection and RMS envelope tracking run on the BLE SoC.
- 03
Mechanics
Rigid-flex stack-up with snap electrodes and a sealed biocompatible housing.
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