DFRobot Gravity - analogue EMG sensor, electromyograph -OYMotio.n

Index: DFR-10833 EAN: 6959420912780

The EMG sensor was created through the cooperation of DFRobot and OYMotion. EMG - electromyograph, sensor of electric activity of muscles and peripheral nerves of human. This sensor is a combination of a filtering and amplification chain. It strengthens the minimum value of sEMG in the range of ± 1.5 V 1,000 times and reduces the noise level via the differential input and analog filtering circuit.

DFRobot Gravity - analogue EMG sensor, electromyograph -OYMotio.n
€55.00
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Manufacturer: DFRobot
Compatibility: Arduino

Description

The EMG sensor was created through the cooperation of DFRobot and OYMotion. EMG - electromyograph, sensor of electric activity of muscles and peripheral nerves of human. This sensor is a combination of a filtering and amplification chain. It strengthens the minimum value of sEMG in the range of ± 1.5 V 1,000 times and reduces the noise level via the differential input and analog filtering circuit. The output signal is analog, which consumes 1.5 V as the referencevoltage. The output voltage ranges from 0 V to 3 V. The signal's strength depends on the level of activity of the muscles. The waveform of the output signal indicates muscle activity, analyzes, and explores the sEMG. It is compatible withArduino, the supply voltage is from 3.3 V to 5.5 V.

DFRobot Gravity - analogowy czujnik EMG, elektromiograf - OYMotion

The scheme of disconnecting the EMG sensor from Arduino

Sensor is easy to use, dry electrodes were mounted on a module, good signal quality is ensured without having to use a conductive gel. Measurements with the EMGsensor are non-invasive, comfortable and they can be used in interaction human-computer.

Attention!

  • supply voltage is from 3.3 V to 5.5 V
  • the supply current should not be less than 20 mA
  • disruptive and ripples' current should be as low as possible
  • putting the metal, dry electrode must be in accordance with the direction of the muscle
  • the product is not a medical device and it cannot diagnose and treat disease

Key features

  • Metal, dry electrodes: long service life, easy to use
  • Differential input 
  • Low power consumption
  • Single power supply

Specification

  • Supply voltage: from 3.3 V to 5.5 V
  • Working voltage: 3 V
  • Output voltage: from 0 V to 3 V
  • Detection range: +/- 1.5 mV
  • Electrode connector: PJ-342
  • Connector of the module: PH2.0, 3-pin
  • Operating temperature: 0℃ to 50
  • Electrode connector: PJ-342
  • Cable length: 50 cm
  • Board sizes: 22 x 35 mm
  • Weight: 36 g

Set includes

  • 1x board with an EMG electrode 
  • 1x wrist band
  • 1x electrode's cable
  • 1x board to transmit an EMG signal 
  • 1x analog Gravity 3-pin cable 

Package width 9 cm
Package height 3 cm
Package depth 10.5 cm
Package weight 0.04 kg

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Product reviews

DFRobot Gravity - analogue EMG sensor, electromyograph -OYMotio.n

5/5

Average grade

4

Customers opinion
The following opinions are collected
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and come from the post-purchase process.

Reviews:

Vittorio 22.09.2023 Confirmed purchase
It gives a very consistent signal . I tested with FFT and the reliability is very high, you just place the electrodes on the same area ( with a reasonable margin of tolerance) and they work giving the same signal range. I can distinguish very well the flexion and extension of the wrist muscles.
Filip 03.08.2023 Confirmed purchase Translated review
✓ just works
Marta D. 15.06.2022 Confirmed purchase Translated review
It works
Wojciech W. 26.03.2022 Confirmed purchase Translated review
Good company, good product

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