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Цифровой модуль пульсомера Amped, от студии Adafruit. Пример кода: VARIABLESint pulse. Pin 0 Pulse Sensor purple wire connected to analog pin 0int blink. Pin 13 pin to blink led at each beatint fade. Pin 5 pin to do fancy classy fading blink at each beatint fade. Rate 0 used to fade LED on with PWM on fade. Pin these variables are volatile because they are used during the interrupt service routinevolatile int BPM used to hold the pulse ratevolatile int Signal holds the incoming raw datavolatile int IBI 600 holds the time between beats, the Inter-Beat Intervalvolatile boolean Pulse false true when pulse wave is high, false when its lowvolatile boolean QS false becomes true when Arduoino finds a beat.void setup() pin. Mode(blink. Pin,OUTPUT) pin that will blink to your heartbeat pin. Mode(fade. Pin,OUTPUT) pin that will fade to your heartbeat Serial.begin(115200) we agree to talk fast interrupt. Setup() sets up to read Pulse Sensor signal every 2mS UN-COMMENT THE NEXT LINE IF YOU ARE POWERING The Pulse Sensor AT LOW VOLTAGE, AND APPLY THAT VOLTAGE TO THE A-REF PIN analog. Reference(EXTERNAL) void loop() send. Data. ToProcessing(S, Signal) send Processing the raw Pulse Sensor data if (QS true) Quantified Self flag is true when arduino finds a heartbeat fade. Rate 255 Set fade. Rate Variable to 255 to fade LED with pulse send. Data. ToProcessing(B,BPM) send heart rate with a B prefix send. Data. ToProcessing(Q,IBI) send time between beats with a Q prefix QS false reset the Quantified Self flag for next time led. Fade. ToBeat() delay(20) take a breakvoid led. Fade. ToBeat() fade. Rate - 15 set LED fade value fade. Rate constrain(fade. Rate,0,255) keep LED fade value from going into negative numbers analog. Write(fade. Pin,fade. Rate) fade LED void send. Data. ToProcessing(char symbol, int data ) Serial.print(symbol) symbol prefix tells Processing what type of data is coming Serial.println(data) the data to send culminating in a carriage return
