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arduino Nano -based Bluetooth billboard using an arduino nano microcontroller, 0.96" OLED Display (SPI/I2C, 128x64), and an HC-05 Bluetooth module. The code allows the billboard to receive messages ...
The project follows these steps: The MAX30100 sensor detects heart rate and SpO2 levels using infrared and red LEDs. The Arduino reads data from the sensor using I2C communication. The Bluetooth ...
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