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Each DS18B20 temperature sensor has a unique 64-bit serial code
Photo Interrupter Sensor (OS25B10) combines high output infrared light emitting diode and high sensitive phototransistor (receiver)
since they duplicate the clock waveforms
74HC Family of CMOS Logic ICs
power amplifier
Advanced Fingerprint Module WIFI Each DS18B20 temperature sensor hasIntroduction: Finger Print Sensor Module or Finger Print Scanner is a module which captures fingers print image and then converts it into the equivalent template and saves them into its memory on selected ID (location) by Arduino. Here all the process is commanded by Arduino like taking an image of finger print, convert it into templates and storing location etc. These modules come with flash memory to store the fingerprints and work with any
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