However, [Ludwin] noted that resting heart rates often settle somewhere near 60 bpm on average. Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge!

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This beginner-friendly project is perfect for learning basic electronics, sensors, and ...

Heart rate is great for gauging effort during exercise, but wrist-based optical sensors can be thrown off by everything from skin color to the weather, and chest straps—generally considered the ...