Automated Underwater Acoustic Communication Modem for Diver Safety
Ultrasonic piezo transducer modem transmitting text SOS messages through water tanks using Frequency Shift Keying (FSK).
Project Overview
Because radio waves suffer severe attenuation underwater, this modem uses acoustic pressure waves. Features matched piezoelectric transducers transmitting binary FSK signals at 40 kHz, allowing sub-surface divers to transmit emergency messages to surface boats.
Because radio waves suffer severe attenuation underwater, this modem uses acoustic pressure waves. Features matched piezoelectric transducers transmitting binary FSK signals at 40 kHz, allowing sub-surface divers to transmit emergency messages to surface boats.
Ultrasonic piezo transducer modem transmitting text SOS messages through water tanks using Frequency Shift Keying (FSK).
Core Project Objectives
Capture continuous analog/digital sensor readings with robust noise filtering and hardware calibration.