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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Methane CNG Gas Sensor - MQ-4

Code: SKU-000408

This is a simple-to-use compressed natural petrol (CNG) sensor, suitable for sensing natural petrol (composed of mostly Methane [CH4]) concentrations in the air.

$ 11.95

Not currently available

MyoWare 2.0 LED Shield

Code: SKU-011022

The MyoWare® 2.0 LED Shield is designed to display the magnitude of a target muscle's signal and power the MyoWare 2.0 Muscle Sensor remotely.

$ 47.95

Not currently available

MyoWare 2.0 Link Shield

Code: SKU-008734

The MyoWare® 2.0 Link Shield is designed to easily connect a MyoWare® 2.0 Muscle Sensor to your Arduino via a 3.5mm TRS-to-TRS cable to link the boards.

$ 22.95

Not currently available

MyoWare 2.0 Wireless Shield

Code: SKU-010335

The MyoWare® 2.0 Wireless Shield is designed to take in readings from the MyoWare 2.0 Muscle Sensor and wirelessly transmit data with the ESP32-WROOM!

$ 41.95

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Shipping from $4.90

+55 more from our supplier in 7-10 days

Optical Dust Sensor - GP2Y1010AU0F

Code: SKU-000483

Sharp's GP2Y1010AU0F is an optical air quality sensor designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device to allow it to detect the reflected light of dust in air.

$ 18.95

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Shipping from $9.90

+97 more from our supplier in 7-10 days

SparkFun Qwiic MicroPressure Sensor

Code: SKU-006441

The SparkFun Qwiic MicroPressure Sensor is a mini breakout equipped with Honeywell's MPR Series piezoresistive silicon pressure sensor, capable of measuring up to 25 psi.

$ 68.95

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Shipping from $9.90

+616 more from our supplier in 7-10 days