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.
6 freelancers are bidding on average $212 for this job
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.