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ARTICLE Use an External Encrypted EEPROM to Secure Data in Embedded Systems Some microcontrollers have EEPROM on-chip. This provides non-volatile data memory while saving board space. However, data security has become more important.
ARTICLE Reduce LED Noise and Distortion for Accurate Pulse Oximetry The infrared and red LEDs used for pulse oximetry typically shine through a translucent part of the body, typically the subject’s finger, ear lobe, or in the case of infants, often the feet.