AD8232 ECG Heart Rate Monitor Module – 3.3V Analog Output

The AD8232 ECG Heart Rate Monitor Module is a compact analog front-end board designed to measure and condition cardiac electrical signals. Based on the AD8232 IC, it integrates signal amplification, filtering, and leads-off detection to generate a stable analog ECG output. The module operates at 3.3V DC and features a 3.5 mm jack for standard biomedical electrode pads. Built for reliable signal acquisition with reduced motion artifacts, it is suitable for biomedical experiments, wearable prototypes, and educational ECG monitoring systems.

• AD8232 analog front-end IC
  
• Single-lead ECG signal acquisition
  
• Integrated signal amplification and filtering
  
• Analog voltage output for MCU interfacing
  
• Leads-off detection circuitry
  
• 3.5 mm biomedical electrode connector
  
• 3.3V DC operating voltage
  
• Shutdown control for low-power mode
  
• Onboard LED status indicator
  
• Motion artifact and noise reduction
  
• Compact PCB for wearable integration
  
• Compatible with Arduino and 3.3V MCUs

• Operating Voltage: 3.3V DC
  
• Operating Current: 170 µA (typical)
  
• ECG Configuration: Single Lead
  
• Output Type: Analog Voltage Output
  
• Output Voltage Range: 0 – 3.3V
  
• High-Pass Filter Cutoff: 0.5 Hz (typical)
  
• Low-Pass Filter Cutoff: 40 Hz (typical)
  
• CMRR: 80 dB (typical)
  
• Leads-Off Detection: Supported
  
• Connector Type: 3.5 mm Audio Jack
  
• Operating Temperature: -40 °C to 85 °C
  
• PCB Dimensions: 36 mm × 30 mm

• AD8232 Datasheet
• AD8232 ECG Heart Rate Monitor Board 3D Model

• Arduino ECG Heart Rate Monitor AD8232 Demo
  
• ECG Raspberry Pi + AD8232+ADS1115 Software