Pulse Sensor
BPM (Simple)
BPM (Simple)
First things first - basic sampling and plotting. Instructions below - aimed at beginners and up (so skip steps you don't need).
To do this yourself :
Micro:bit:
Pulse sensor:
Sensor and BBC micro:bit (showing HEART icon).
Sensor and BBC micro:bit (showing HEART & HEART_SMALL icons alternately for each heart beat detected).
Recording of code running on BBC micro:bit showing HEART icon animating with each heart beat detected. Button A is pressed to show BPM last and average.
Mu editor showing MicroPython script (top). REPL panel (left) shows printed output. Plotter panel (right) plots graphs of REPL data :