COMPONENTS: We used an Arduino Nano, an OLED Display, a Passive Buzzer, a pulse sensor to sense the heart rate and a button for navigation. We chose to use a 3.7v (250 mAh) Lipo battery powering an Arduino Nano and some peripherals. A micro USB TP4056 Lithium-Battery Power Charger was also used to charge the battery.
HOUSING: We used Tinkercad to design the 3D module for housing this circuit. Which length, width, and thickness were 5cm, 3.8cm and 1.1cm respectively.
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