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Electronic Engineer for underwater sound recording IoT project

This project’s goal is to record underwater sounds with a hydrophone and raspberry pi computer. Please read the attached document “An Autonomous Underwater Recorder Based on a Single Board [login to view URL]” inside the zip file to understand more about what we would like to accomplish. You need to be familiar with Electronics and Signal Analysis.

This project consists of two sections.

Section 1

Create your own simple hydrophone and record it using Raspberry Pi

1. Create a physical hydrophone based on the attached “Simple Hydrophone [login to view URL]“ document’s design (inside the zip file). If you can locally source the parts, that would be great as it will make the project move faster. If you cannot, we will send you the parts.

2. Connect the newly created hydrophone to an amplifier and sound card and record the sound. The bidder will recommend to us which amplifier and sound card to use.

3. Using the recorded sound, create two graphs: time domain and frequency domain spectrogram using FFT of the recordings.

Section 2

Use an off-the-shelf hydrophone and record it using Raspberry Pi

1. Use an off-the-shelf hydrophone ([login to view URL]) and connect it to an amplifier and sound card and record the sound. The bidder will recommend which amplifier and sound card to use.

3. Using the recorded sound, create two graphs: time domain and frequency domain spectrogram using FFT of the recordings.

Skills: Electrical Engineering, Electronics, Microcontroller, PCB Layout, Raspberry Pi

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About the Employer:
( 26 reviews ) Rockville, United States

Project ID: #17589074

8 freelancers are bidding on average $232 for this job

MIKY4227

Hi i am pofesor in electronic in 3 university of Argentina. specialized in audio record Senior ENGINEER has more of 40 years’ experience in this profession, developing Hardware and Software Expertise in video More

$555 USD in 30 days
(52 Reviews)
6.5
hayat38402

hii sir How are you I have good experience in this field and i can do your work in best possible way, kindly text me so that we can discuss the work in more details thanks

$155 USD in 3 days
(18 Reviews)
4.9
slavaten

Hello, I am very interesting in your project. I have an expirience with vibation mesurements including an analog scematic, piezo sensors and RPi. I have all parts (piezo, amplifier, RPi) and tools (osciloscope, solderi More

$250 USD in 10 days
(12 Reviews)
5.3
mho582c9ce7b7cd0

I'm an experienced developer with a keen interest in the Raspberry Pi. I've worked on many Pi related projects using various input/output boards. Your project sounds very intriguing and I would be very interested in More

$277 USD in 3 days
(3 Reviews)
4.2
led1234

i have rich experienced in iot hardware and software .i have iot base firm there i design hardware for iot

$111 USD in 3 days
(0 Reviews)
0.0
stancisneros

Worked as a studio engineer and familiar with codecs and physical process

$155 USD in 3 days
(0 Reviews)
0.0
shivshankar69

HI, I have 27 years of embedded hardware and software design exp. I have good exp in Raspberry Pi projects. I assure you best services. Thanks, Amit Jain

$194 USD in 30 days
(0 Reviews)
0.0
lotfibentaleb

Hello, As a highly skilled Mechatronics Engineer, I read your the job description with interest. I am confident that I would be a perfect fit for this position as my experience and abilities precisely match your req More

$155 USD in 3 days
(0 Reviews)
0.0