This work involves the design of a device that measures the heart rate. The purpose of using a pulse meter is to check how well the heart pumps blood through the body. This device is used to monitor the health of people and their ability to tolerate physical activity. For implementation, an OLED screen, Arduino UNO board, pulse sensor, a Bluetooth data transmission module and a buzzer will be used to emit the sound of the heartbeat.

The heart rate sensor is an Arduino-compatible device that can be easily connected and used. It consists of an integrated optical amplification circuit and a noise elimination circuit to ensure accurate pulse measurement.

Components: Arduino UNO R3 CH340 ;OLED Display 0.91” I2C IIC Blue ,LED 5mm ,Active buzzer 5v ,Pulse sensor XD-58C ,HC-05 Bluetooth serial-module ,Transistor BC547

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