This EMG Sensor or Muscle sensor V3.0 With Cable And Electrodes will measure the filtered and rectified electrical activity of a muscle; outputting 0-Vs Volts depending on the amount of activity in the selected muscle, where Vs signifies the voltage of the power source. Required Power supply voltage: min. +-3.5V. By detecting the electromyogram (EMG), measuring muscle activity has traditionally been used in medical research, however with shrinking but more powerful microcontrollers and integrated circuits the advent of EMG power Road and sensors can be used for various control systems. This EMG Muscle Sensor measures, filters, rectifies, and amplifies the electrical activity of a muscle and produces an analog output signal that can easily be read by a microcontroller, enabling novel, muscle-controlled interfaces for your projects. To use this Muscle sensor you will need few components like batteries , jumper wires , breadboard and arduino