Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Chip Model	AD8232
Operating Voltage	3.3V - 5.0V DC
Interface Type	Analog Output / SPI
Lead Configuration	Single Lead (RA, LA, RL)
Gain Range	110 to 1000 (Programmable)
Common Mode Rejection	80 dB min at 50/60 Hz
Input Impedance	> 1 GΩ
Board Dimensions	23mm x 18mm x 4mm
Compatible Platforms	Arduino, Raspberry Pi, STM32
Application Focus	Fitness Sensors, Portable ECG, Biomedical Prototyping

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect for Arduino Heart Rate Projects

This module works flawlessly with my Arduino Uno. The signal quality is surprisingly clean for the price point. I was able to visualize the P-Q-R-S-T wave within minutes of connecting it. Great for educational purposes.

Anonymous

Mar 13, 2026

Rating: 5/5

Reliable and Compact

Small footprint makes it easy to integrate into custom PCBs. We tested it against a clinical reference device for basic rhythm detection, and the correlation was impressive for a hobbyist component.

Anonymous

Mar 05, 2026

Rating: 5/5

Excellent for University Thesis

Used this for my final year project on physiological monitoring. The documentation provided by the community helped a lot. It delivers stable analog output that is easy to process with basic filtering algorithms.

Anonymous

Mar 05, 2026

Rating: 4/5

Great signal, watch the power supply

Make sure you use a clean power source; battery power yields the best results with minimal noise. The lead-off detection feature is a nice bonus that saves debugging time.

Anonymous

Mar 04, 2026

Rating: 5/5

Exceeded Expectations

I bought this to learn about biopotential measurements. The learning curve was gentle, and the results are immediate. Highly recommended for anyone interested in DIY biomedical electronics.

Anonymous

Mar 01, 2026

Rating: 4/5

Good value, requires careful wiring

The sensor itself is excellent, but you need to ensure your electrode pads have good contact. Once I secured the connections properly, the noise dropped significantly. Ideal for prototyping wearable health devices.

5 FAQ

Q: Can this be used directly with a 5V Arduino without a logic level converter?

A: Yes, the AD8232 module operates comfortably within the 3.3V to 5V range, so it can be connected directly to a 5V Arduino board.

Q: Is this suitable for continuous 24/7 monitoring?

A: While the chip is robust, this specific breakout board is designed primarily for prototyping and short-term measurement. For continuous clinical use, a certified medical device is required.

Q: What type of filter does this sensor utilize?

A: The module features an integrated two-pole high-pass filter to eliminate motion artifacts and half-cell potential, along with a three-pole low-pass filter to remove unwanted noise.

Q: Does this module come with electrode pads included?

A: No, this listing is for the sensor module only. Electrode pads and connecting cables must be purchased separately.

Q: How many pins are needed to interface with a microcontroller?

A: For basic analog operation, you need three connections: Power (3.3V/5V), Ground, and Output. Additional pins are required if you wish to configure the shutdown or fast-restore features via GPIO.

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