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which toggles the infrared LED automatically
Data is formatted as 16-bit two’s complement and accessible via SPI or I2C interfaces
which computes the heart rate
AT90PWM2 AT90PWM3
RXD (USART Input Pin)
100 Ohm Resistor - (Pack of 10) RGB LED which toggles the infrared LED100 Ohm Resistor (Pack of 10) The 100 ohm Carbon Film Resistors are typical axial lead resistors, which have much better temperature stability and provide lower noise, and are generally better for high frequency or radiofrequency applications. A resistor is a passive two terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to
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