Biometrics

Biometrics

Biometric sensing combines physiological signals and gas awareness for control, monitoring, and safety in embedded projects. Use cases range from muscle-activation interfaces for lightweight robots, heart-rate aware wearables, and biofeedback exercises to classroom demonstrations of signal processing and health monitoring. Expect sensor cables, electrode pads, shield modules, and breakout boards that plug into common microcontrollers or single-board computers with straightforward wiring and compatible libraries.

Real-world focus matters: signal quality under movement, response time, power use, and rugged connectors that survive repeated handling. Different attribute groups include muscle and ECG sensors, fingerprint readers for authentication, and gas sensors for air quality or safety applications, with varied interfaces and integration options.

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SparkFun Gas Sensor Breakout

Code: SKU-000272

A simple breakout PCB for MQ petrol sensors. Adapts oversized pins to a standard 0.1-inch spacing for easy prototyping and project inclusion.

$ 2.35

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SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic)

Code: SKU-010654

The SparkFun Indoor Air Quality Sensor - SCD41 SEN55 (Qwiic) combines two excellent indoor air quality sensors in the SCD41 and SEN55 from Sensirion™.

$ 309.95

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Shipping from $9.90

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