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  • One application of the coherent light communication system: measurement distance with ultrasonic sensor
    A block diagram of the program in PIC- 16f84 . From characterization of photo-EMF detector was found that optimal spatial frequency (for one of the two … The behavior of the ultrasonic sensor is linear for distances of 2 centimeters to 2.8 meters .
  • Real-time control of free-standing cart-mounted inverted pendulum using LabVIEW RT
    … already quantized to TTL compatible levels but are continuous in time as the frequency varies with the … The microcontrollers used are PIC 16F84 from Microchip Technology [22]. The first step was to substitute the wireless link by 10 meters of Category 5 twisted pair …
  • RFID-based anti-theft auto security system with an immobilizer
    … capture the unique tag from the transmitting unit, which consists of a PIC 16F84 microcontroller, RF receiving … The data transmission and acquisition system basically consists of frequency modulated (FM) low-power radio communication units … Many active tags have practical range of hundreds of meters , and a battery life of up to …
  • Technologies for Remote Data Acquisition Systems in Environmental Monitoring
    The transmission range for these modules vary between 50 and up to 250 meters line of sight with a data rate between 1200 bps to 19.2Kbps, using carrier frequencies in range 315MHz - 433M. Interface between the two circuits is realized by a PIC microcontroller (PIC 16F84 ) that converts data between …
  • Power Electronics and Renewable Energy Systems
    … support power line networking but to interface with it at least for smart metering and smart appliance … At each half line cycle, one diode and one switch operate in high frequency . The control circuit uses PIC 16F84 to generate the pulses.
  • Smart Card Handbook 4th Edition Complete Document
    … addition to light flashes, spikes or glitches on the supply lines or high- frequency signals can be … PIC 16F84 … form of attack may be carried out by using a terminal located several meters away from a …
  • Digital VLSI Systems Design
    3 GHz Digital frequency meter • … mul- tiply-accumulator (MAC) operations and are generally costlier than micropro- (Motorola), PIC 16F84 microcontroller (Microchip Technology …
  • Digital Electronics: Principles Devices and Applications Complete Document
    … ICL 7107 are the most commonly used A/D converter ICs for digital panel meter (DPM) and digital … If the oscillator frequency is different, C7 should be changed in inverse proportion in order to maintain … Another popular microcontroller type number, PIC 16F84 , has an eight-bit timer/counter with an eight-bit prescaler.
  • Sensors and Microsystems
    E.S. Fry, et al., ‘Integrating cavity absorption meter ’, Appl. Opt., vol. 210 kΩ Cut off frequency The low-cost interface has been built with one microcontroller (PIC- 16F84 or equivalent), two low-noise …
    Therefore, for meter range transceivers operat- ing at 100's MHz, DSP software radio requires comparable power to … … transistors by reducing the feature size to keep pace with the increase in frequency , the number of … #include < 16F84 .H> #use delay(clock=8000000) .