Heartbeat Monitoring and Voice Based Alerting for High and Low Heart rate

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ABSTRACT: Heartbeat Monitoring and Voice Based Alerting for High and Low Heartrate
The project aims in designing a system which helps in monitoring heart rate on a LCD display and alerts when heart rate is increased/decreased a preset value for elderly people through voice.
Technology is being used everywhere in our daily life to fulfill our requirements. We are employing different sensors for different applications sometimes we may even use same sensors differently for different applications. Whatever it may be the final output is life has increased its speed with the technology boosters. One of the ideal ways of using technology is to employ it to sense serious health problems so that efficient medical services can be provided to the patient in correct time. This idea is used to provide efficient health service to patients has given birth to the project heart beat and temperature monitoring and alerting.
The modules in the project are: heartbeat sensor which continuously gives the heartbeat, LCD display to monitor heart rate and voice circuit to alert the rise and fall of heart rate.
Heart beat monitor and display system is a portable and a best replacement for the old model stethoscope which is less efficient. The heart beat rate is calculated manually using stethoscope where the probability of error is high because the heart beat rate lies in the range of 70 to 90 per minute whose occurrence is less than 1 sec. So this device can be considered as a very good alternative instead of a stethoscope.
This device consists of a micro controller which takes the input from the heart beat sensor and it calculates the heart rate of the patient. The micro controller takes the responsibility to display the same on the LCD display and to alert through voice when fall or rise in parameters occurs.

The main objective of this project is:
1. Continuous monitoring of the heart beat of the patient.
2. Monitoring heartbeat on LCD Display.
3. Voice based high and low heart rate alerting.

The project provides learning’s on the following advancements:
1. Developing a sensor based on LED and LDR.
2. LDR characteristics.
3. Interfacing Heartbeat sensor to Microcontroller.
4. Embedded C programming.
5. PCB design.

The major building blocks of this project are:
1. Regulated power supply.
2. Micro controller.
3. Heart beat sensor.
4. LCD with driver.
5. Reset.
6. Voice circuit
7. Crystal oscillator.
8. LED indicators.

Software’s used:
1. PIC-C compiler for Embedded C programming.
2. PIC kit 2 programmer for dumping code into Micro controller.
3. Express SCH for Circuit design.