Heart Beat Monitoring over Internet using Arduino and ThingSpeak




In this project we are going to make a Heart Beat Detection and Monitoring System using Arduino that will detect the heart beat using the Pulse Sensor and will show the readings in BPM (Beats Per Minute) on the LCD connected to it. It will also send the readings to ThingSpeak server using the Wi-Fi module ESP8266, so that Heart Beats can be monitored from anywhere in the world over the internet. ThingSpeak is a great source for displaying the data online and you can access the data from ThingSpeak at any time and at any place.

We have previously built a simple Heart Beat Monitor without showing data on Internet. This time we have used ThingSpeak to monitor the system over internet, and this will put this project into IOT category.Heart Beat Monitoring over Internet using Arduino and ThingSpeak







Components Required:

  • Pulse sensor
  • Wi-Fi module ESP8266
  • Arduino Uno
  • LCD
  • Bread Board
  • 10k potentiometer
  • 1k resistors
  • 220 ohm resistors
  • LED
  • Connecting wires

Circuit Diagram and Explanation:

First of all we will connect the ESP8266 with the Arduino. ESP8266 runs on 3.3V and if you will give it 5V from the Arduino then it won’t work properly and it may get damage. Connect the VCC and the CH_PD to the 3.3V pin of Arduino. The RX pin of ESP8266 works on 3.3V and it will not communicate with the Arduino when we will connect it directly to the Arduino. So, we will have to make a voltage divider for it which will convert the 5V into 3.3V. This can be done by connecting three resistors in series like we did in the circuit. Connect the TX pin of the ESP8266 to the pin 9 of the Arduino and the RX pin of the ESP8266 to the pin 10 of Arduino through the resistors.Heart Beat Monitoring over Internet using Arduino and ThingSpeak

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  • useful code for health care arduino
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