Refer below DC motor-L239D-L298N_Dual_H-Bridge motor driver Interfacing with Arduino Tutorials- Visit for simillar projects at https://microdigisoft.com Tutorial 1 ...

Before running, enable i2c interface, install smbus and rpi.gpio, and connect the sensor. If you use hrcalc.py to get HR and SpO2, numpy is required.

So here’s the thing: Arduino’s built-in memory is tiny. If you’re just blinking LEDs, no problem. But the moment you try to log data, say battery usage, temperature over time, or GPS coordinates, ...

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