//pulse action
action pulse()
| arduino -> pin mode(7, arduino - > INPUT)
| var bit := arduino -> digital read(7)
| var init_time:=arduino->millis();
| var beats:=0;
| var prev_bit:=0;
| while arduino->millis()-init_time<60000
| | bit := arduino -> digital read(7)
| | if bit=600 and bit
| | | beats:=beats+1
| | | engduino->set all LEDs (colors -> white)
| | | engduino->delay (50)
| | | engduino->set all LEDs (colors -> black)
| | else do nothing end if
| | bit->post to wall
| | prev_bit:=bit
| end while
| “heart rate"->post to wall
| “Your heartrate is of ” -> concat(bit - > to string) -> concat(“ bpm”) -> post to wall
| if(beats > 100) then
| | “Your heartrate is faster than the recommended range. You might be experiencing a case of Tachycardia. We strongly suggest getting a doctor’s opinion.” -> post to wall
| | engduino -> set all LEDs (colors -> magenta)
| else if (beats >= 60) then
| | “Congratulations! Your heartrate appears to be within the recommended bounds.” -> post to wall
| | Engduino -> set all LEDs (colors -> blue)
| else “Your heartrate is slower than the recommended range. You might be experiencing a case of Bradycardia. We strongly suggest getting a doctor’s opinion.” -> post to wall
| |Engduino -> set all LEDs (colors -> red)
| end if
end action