Back to: Multiplier Event Luxembourg
- https://learn.adafruit.com/sensor-plotting-with-mu-and-circuitpython/pulse?embeds=allow
- https://learn.adafruit.com/make-it-pulse/how-it-works
- https://www.teachengineering.org/makerchallenges/view/rice3-2349-heartbeat-microcontroller-led-senor-design-challenge
- https://www.rohm.com/electronics-basics/sensor/pulse-sensor
