Battery operated flashbang

The product we are designing will be used by police/military. We need a schematics/diagram of an audio,buzzer , or siren that produces 130-145dB@ 2-5ft. We want to be able to press and hold a push button toggle switch for 2seconds after which the product will sound for 60seconds and then resest.

Skills: Electrical Engineering, Electronics, Engineering, Mechanical Engineering, Product Design

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About the Employer:
( 0 reviews ) United States

Project ID: #2583833

6 freelancers are bidding on average $212 for this job


Dear sir i understand your project and i a really interest to do it and i am ready to start working in it now please check PM for more details

$200 USD in 7 days
(19 Reviews)

Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of ha More

$200 USD in 4 days
(18 Reviews)

Hi Joshuabrown, I can could design this for you if you pick which sounder you want to use.

$150 USD in 3 days
(7 Reviews)

Hi, I would like to work with you. And I will come up with the new product design. Please see your personal inbox for the Design Proposal. Thanks!

$450 USD in 14 days
(2 Reviews)

I can do a proffesional design for you.

$200 USD in 5 days
(11 Reviews)

This is a fairly simple project for our team. We are new on Freelancer, but have more than four years of experience in embedded solutions, Arduino, and Android projects.

$169 USD in 4 days
(1 Review)

I can do this project easily within time limit.

$100 USD in 3 days
(0 Reviews)