![]() Other substitutes of this microcontroller board available in the market are Arduino Nano, Node MCU, ESP32, etc. It uses a C code that gives it the instructions to perform a task. Now let us see how these components work.Īrduino Uno is a microcontroller board that is used to control various circuits. Next, connect the output of the Heartbeat Sensor Module to the Analog Input Pin (Pin 1) of Arduino.As we have the list of apparatus that we are going to use. The RS and E (Pins 3 and 5) of the LCD are connected to Pins 1 and 1 of the Arduino UNO. Also, a 10KΩ Potentiometer is connected to Pin 3 of LCD (contrast adjust pin). The 4 data pins of the LCD Module (D4, D5, D6 and D7) are connected to Pins 1, 1, 1 and 1 of the Arduino UNO. First, in order to display the heartbeat readings in bpm, we have to connect a 16×2 LCD Display to the Arduino UNO. The circuit design of Arduino based Heart rate monitor system using Heart beat Sensor is very simple. ![]()
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