Arduino Fans

Arduino Heartbeat Monitor with Real-Time Pulse Waveform on OLED Display

Monitor your heart rate in real-time using an Arduino-based heartbeat sensor and an OLED display. This DIY electronics project uses a pulse sensor (like KY-039 or Pulse Sensor) to detect your heartbeat and display both the BPM (beats per minute) and a live scrolling waveform on a compact SSD1306 OLED screen. Ideal for beginners and […]