Display Heart Rate Data on IoT Blynk Using Arduino

Introduction

In this tutorial, we are going to make an IoT Heart Rate Monitoring System using Arduino. It will detect the heart rate using the Finger-clip Heart Rate Sensor. Then, every 1 second, it will send the readings to Blynk server using the ESP8266 Wi-Fi shield. So, the heart rate can be monitored through your smart phone from anywhere in the world over the internet.

Video

This video shows how to display heart rate data to IoT platform Blynk using Maker UNO (Arduino Uno compatible).

Hardware Preparation

This is the list of items used in the video.

• Maker UNO
• Cytron ESP8266 WiFi Shield
• Base Shield V2
• Grove - Finger-clip Heart Rate Sensor

Sample Program

This is Arduino sample program to read heart rate through finger using Finger-clip Heart Rate Sensor. Then it will send to Blynk server every 1 second. Please install following libraries.

• Blynk by Volodymyr Shymanskyy V0.6.1 (Library Manager)
• BlynkESP8266 by Volodymyr Shymanskyy (Zip) - https://github.com/vshymanskyy/BlynkESP8266

Thank You

References:

• Grove - Finger-clip Heart Rate Sensor with shell
• Blynk Docs

Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.

"Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for a better application."