Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Chip Model | AD8232 |
| Operating Voltage | 3.3V - 5V DC |
| Interface Type | Analog Output / Digital GPIO |
| Compatibility | Arduino, STM32, ESP32, Raspberry Pi |
| Signal Gain | Configurable via external resistors |
| Lead Off Detection | Yes, integrated |
| Filter Type | Integrated High-pass and Low-pass filters |
| PCB Dimensions | 24mm x 18mm |
| Application | Heart rate monitoring, Fitness sensors, Portable ECG |
| Package Includes | 1x AD8232 Module, 1x Header Pin Set |
Anonymous
Mar 29, 2026
Rating: 5/5
Clean analog output
The built-in filtering does a great job removing baseline wander. I didn't need to add many external components to get a readable signal on my oscilloscope.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for Arduino Projects
This module works flawlessly with my Arduino Uno. The signal quality is surprisingly good for the price point. I was able to visualize a clear heartbeat waveform within minutes of connecting it.
Anonymous
Mar 14, 2026
Rating: 4/5
Good but requires 3.3V logic ideally
Works well, but I noticed less noise when running it at 3.3V compared to 5V. Make sure your microcontroller supports the voltage level you choose. Overall a solid purchase.
Anonymous
Mar 13, 2026
Rating: 4/5
Great value, needs careful wiring
The sensor itself is excellent. However, beginners should be careful with the electrode connections; loose wires cause a lot of noise. Once secured properly, the data is very stable.
Anonymous
Mar 09, 2026
Rating: 5/5
Excellent for prototyping
I used this for a university biomedical project. The lead-off detection feature is very handy to ensure good contact before recording. Highly recommended for students and hobbyists.
Anonymous
Mar 02, 2026
Rating: 5/5
Fast shipping and works as described
Arrived quickly and was well packaged. The pinout is clearly labeled on the board. I got it working with an ESP32 immediately using a library found online.
Q: Does this module come with the electrode patches?
A: No, this listing includes only the AD8232 circuit board and header pins. Electrode patches and connecting cables must be purchased separately.
Q: Can I connect this directly to a 5V Arduino Nano?
A: Yes, the module operates between 3.3V and 5V. You can connect VCC to the 5V pin on your Arduino Nano, but ensure your signal reading pin is compatible.
Q: Is there a library available for STM32?
A: While we do not provide a proprietary library, the AD8232 outputs a standard analog signal. Many open-source STM32 libraries exist on GitHub that can read the analog pin and process the data.
Q: What is the sampling rate capability of this sensor?
A: The sampling rate depends on your microcontroller's ADC speed and code efficiency, not the sensor itself. The AD8232 bandwidth is typically configured for human heart rates (0.5Hz to 40Hz).
Q: How many electrodes does this support?
A: The AD8232 is designed for a 3-lead configuration (Right Arm, Left Arm, Right Leg), which is standard for basic heart rate monitoring and single-lead ECG acquisition.
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