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  1. NPB777

    Ultrasound Modules

    @heavens I want to measure pH and temperature near the bed of the water and transmit the measured values to the buoy at the surface. The desired data rate is several kbps. The buoy will be half floating and half submerged. The submerged portion will have the receiver which receives the...
  2. NPB777

    Underwater Acoustic Simulation Software

    Dear all, What are some good underwater acoustic simulation software? I will be using ultrasound as the carrier. The software must be able to create better underwater condition. For example, I must able to know the effect of Salinity, Temperature etc on the transmission. The software must also...
  3. NPB777

    Ultrasound Modules

    Can any one suggest some good cheap ultrasound modules for underwater communication?
  4. NPB777

    Ultrasound Modules

    Hello everyone, Where can I get Ultrasound Transducers working at different frequencies? Presently, HC SR04 is available which works at 40 KHz. Can I get modules which works in Mhz range? Or is there any other means of generating Ultrasound in Mhz range? Also, what is the best frequency to be...
  5. NPB777

    Underwater Wireless Communication

    Can you suggest me a good Arduino processor with WiFi transmitter and receiver? I must be able to interface a temperature of pH sensor with this. The data from these sensors must be transmitted over WiFi for another receiver. Give some suggestions with respect to this.
  6. NPB777

    Underwater Wireless Communication

    Okay, at least for 20 to 30 cms? Will we get the result?
  7. NPB777

    Underwater Wireless Communication

    Will not WiFi work for distance of 10 feet?
  8. NPB777

    Underwater Wireless Communication

    Hello all, I am right now doing my final year project. We have decided to work on Underwater Wireless Sensor Communication. In this project, we deploy a wireless sensor node inside the water. It has to communicate with that of the buoy like thing (a trans receiver) placed at surface of the...
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