IoT Based Patient Health Monitoring System Using Blynk App

Circuit Diagram :-

 Code :-

//Prateek //wwww.prateeks.in //https://www.youtube.com/c/JustDoElectronics/videos #include <Wire.h> #include "MAX30100_PulseOximeter.h" #define BLYNK_PRINT Serial #include <Blynk.h> #include <WiFi.h> #include <BlynkSimpleEsp32.h> #include <OneWire.h> #include <DallasTemperature.h> #include "DHT.h" #define DHTTYPE DHT11 #define REPORTING_PERIOD_MS 1000 #define DS18B20 5 char auth[] = "G9nCH4W7AWUwviplzwpGLleH0fOdXF9_"; char ssid[] = "justdoelectronics"; char pass[] = "123456789"; PulseOximeter pox; uint8_t DHTPin = 18; DHT dht(DHTPin, DHTTYPE); float Temperature; float Humidity; float bodytemperature; float BPM, SpO2; uint32_t tsLastReport = 0; OneWire oneWire(DS18B20); DallasTemperature sensors(&oneWire); void onBeatDetected() { Serial.println("Beat Detected!"); } void setup() { Serial.begin(115200); pinMode(19, OUTPUT); pinMode(DHTPin, INPUT); dht.begin(); Blynk.begin(auth, ssid, pass); Serial.print("Initializing Pulse Oximeter.."); if (!pox.begin()) { Serial.println("FAILED"); for (;;); } else { Serial.println("SUCCESS"); pox.setOnBeatDetectedCallback(onBeatDetected); } pox.setIRLedCurrent(MAX30100_LED_CURR_7_6MA); } void loop() { pox.update(); Blynk.run(); Temperature = dht.readTemperature(); // Gets the values of the temperature Humidity = dht.readHumidity(); // Gets the values of the humidity BPM = pox.getHeartRate(); SpO2 = pox.getSpO2(); bodytemperature = sensors.getTempCByIndex(0); if (millis() - tsLastReport > REPORTING_PERIOD_MS) { Serial.print("Heart rate:"); Serial.print(BPM); Serial.print(" bpm / SpO2:"); Serial.print(SpO2); Serial.println(" %"); Serial.print("Room Temperature: "); Serial.print(Temperature); Serial.println("°C"); Serial.print("Room Humidity: "); Serial.print(Humidity); Serial.println("%"); Serial.print("Body Temperature: "); Serial.print(bodytemperature); Serial.println("°C"); Blynk.virtualWrite(V3, Temperature); Blynk.virtualWrite(V4, Humidity); Blynk.virtualWrite(V5, BPM); Blynk.virtualWrite(V6, SpO2); Blynk.virtualWrite(V7, bodytemperature); tsLastReport = millis(); } }

App Installation :-

Just Scan The Barcode In Blynk App

GitHub :-     Click it

Video :-