shop/ health sensor/ sparkfun myoware muscle sensor - sen-13723

Add Health and Biometric Sensing to Your Next Build

The MyoWare Muscle Sensor is a biometric sensor with analog output designed for wearables, pulse demos, biometric logging, and health-focused prototypes. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Operating Voltage: 2.9V–5.7V (single supply); Analog Output: 0V to +Vs (supply voltage).

Important: This module is meant for learning, prototyping, and general wellness projects. It is not a medical device and should not be used for diagnosis.

Why you’ll love it

  • Adjustable gain: Adjustable gain for signal tuning
  • Built-in snap connectors: Built-in snap connectors for electrodes
  • Reverse voltage protection: Reverse voltage protection
  • Useful spec: power and muscle flex activity
  • Controller output: 0V to +Vs (supply voltage)
  • Power range: 2.9V–5.7V (single supply)

Compare with similar products

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What you can build

This sensor is a good fit for heart-rate demos, wearable prototypes, pulse logging, finger-clip projects, and education kits.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include an Arduino or ADC-capable board, jumper wires, and a stable power source, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product MyoWare Muscle Sensor
LED indicators power and muscle flex activity
Analog Output 0V to +Vs (supply voltage)
Operating Voltage 2.9V–5.7V (single supply)
Dimensions 2.1″ × 0.8″ (excluding 3″ reference electrode cable)
Category health sensor

Wiring & usage notes

Connect power and ground, then read the sensor output with an analog-capable input or external ADC. Stable power and a clean ground help reduce noise. This module is meant for learning, prototyping, and general wellness projects. It is not a medical device and should not be used for diagnosis.

What’s in the box

1 × MyoWare Muscle Sensor

Frequently Asked Questions

What does the MyoWare Muscle Sensor measure? It is designed to measure force, bend, muscle activity, or weight.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Analog sensor? This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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Ask the community

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