Last Updated on June 18, 2026 by pg@petergamma.org Here is the Instruction: (AI Overview) To connect the AD8232 ECG Sensor to a Raspberry Pi, you must use an ADS1115 Analog-to-Digital Converter (ADC) because the Pi lacks native analog inputs. This setup translates heart-rate electrical signals into usable digital data. [1, 2, 3, 4, 5] 1. … Continue reading How To Build Your Own 3 Channel Gold Standard ECG Device with a Spirometer Using an AD8232, ADS1115 & Arduino