DFRobot Gravity: Analog Heart Rate Monitor Sensor (ECG) For Arduino


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SKU: 1356234
  1. Brand: DFRobot
  2. Product: Gravity: Analog Heart Rate Monitor Sensor
  3. Input Voltage: 3.3-6V (5V recommended)
  4. Output Voltage: 0-3.3V
  5. Interface: Analog
  6. Operating current: <10mA


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Brand: DF Robot
Category: Biometric/ECG/EMG Sensor

The DFRobot Heart Rate Monitor Sensor is used to measure the electrical activity of the heart. This electrical activity can be charted as an ECG and output as an analog reading. An ECG signal can be extremely noisy so we have included an AD8232 chip which will generate a clear signal from the PR and QT Intervals. Using the Arduino IDE “Serial Plotter” feature,  you are also able to view plotted ECG output on a PC easing the difficulty of using this sensor,  a gravity Interface is adapted to allow plug&play.

The IO expansion shield is the best match for this sound sensor connecting to your Arduino. As this sensor can work at 3.3V which makes it compatible with raspberry pie, intel Edison, joule, and curie.

Useful Link:




  1. ECG method, accurate and stable
  2. Three electrodes
  3. 3.3.3V/5V compatible
  4. AD8232 chip which will generate a clear signal from the PR and QT Intervals

Package Includes:

1 x DFRobot Gravity: Analog Heart Rate Monitor Sensor

SKU: 1356234 Category:
Input Voltage (V)

3.3-6V (5V recommended)

Output Voltage(V)




Operating Current (A)



35 x 22(mm), 1.378″ x 0.866″(in)

Interface Type


Shipping Weight 0.054 kg
Shipping Dimensions 14 × 6 × 3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China