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IOT Based BP monitoring system Electronics engineering final year project


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IOT module (ESP8266) interfaced with Arduino UART port. BP sensor has UART output and it will be with Arduino second UART port.


BP sensor has ON/OFF button to start and stop of calculating blood pressure. Here we used cuff type blood pressure sensor. We have to keep on arm and make it tight, so that it will calculate BP parameters correctly. It has air pump that will pump air into cuff and make veins tight, so that blood pump from heart artery stops sometime and then it releases cuff tightness, then artery pumps blood into veins and reverse pressure will develops in cuff. Internal pressure sensor measures this pressure and calculates systolic blood pressure, diastolic blood pressure and heart beat. Arduino takes all this data through serial and display on 16×2 LCD display. Also it will send data to IOT cloud server through esp8266 module.


Microcontroller            :         Arduino Uno

Crystal                          :         16 MHz

LCD                              :         16X2 LCD

IOT Module                 :          ESP8266

BP Sensor                     :         Motorized hand Cuff type

Buzzer                           :         DC 5V

Power Source                :         12v 2 amp Adaptor


Arduino IDE

Proteus based circuit diagram

  • Medical Applications
  • For Hospitals
  • For Home Use
  • Patient Health Monitoring Applications
  • We have covered IOT module (ESP8266) interfacing
  • Real time BP Sensor interface

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