develop a USB device to measure liquid density

I need help in developing a practical, working design concept for a usb probe to measure liquid concentration. This device will have to be able to plug into a usb port and transmit data that will yield the density of a liquid (like a hydrometer or refractometer). I the most practical and least expensive way to achieve this. I am not looking for a prototype or any type of programming at this time. I am looking for concepts not actual design at this stage.

Freelancer must be in USA or Canada.

Keahlian: Teknik Kimia, Desain Industri, Teknik Mesin

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Tentang Pemberi kerja:
( 5 ulasan ) Chagrin Falls, United States

ID Proyek: #11709763

Diberikan kepada:


Hi there, I'm placing this bid even I'm not in the USA or Canada, because I rally could help you conceptualize this senzor. My name is Bogdan and I'm from Romania. I'm a mechanical engineer specialized in the indu Lebih banyak

$250 USD dalam 5 hari
(2 Ulasan)

8 freelancer menawar dengan rata-rata $196 untuk pekerjaan ini


Dear Sirs, I'm a PhD in Chemistry, my specialization is surface and organic chemistry. I have huge general experience in chemistry (20 years +) and very broad knowledge in this area. I wokred in the Center of New Te Lebih banyak

$222 USD dalam 7 hari
(17 Ulasan)

Proposal: Work Bid: Rate: $200 Time Delivery: X days (Negotiable Based On Your Deadline) Your project will be developed with speed and quality, as well as all my previous work. I have experience in the requir Lebih banyak

$200 USD dalam 0 hari
(2 Ulasan)

A proposal has not yet been provided

$244 USD dalam 10 hari
(3 Ulasan)
$111 USD dalam 10 hari
(0 Ulasan)

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$111 USD dalam 8 hari
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I run small chemical company specializing in technical advisory, document translation and dedicated research. I am a chemist with six years experience in laboratory work. I own three patents and I am author of several Lebih banyak

$555 USD dalam 5 hari
(1 Ulasan)

Dear Hiring Manager, I have related sort of expertise and can deliver the best. I will ensure the highest standard to satisfy you. I will ensure the best and will share the ideas with you. Let us discuss about the Lebih banyak

$155 USD dalam 3 hari
(0 Ulasan)

We are a team of professional engineers with around 16 years of experience in developing innovative products. We have been associated with companies like JnJ and 3M. Please visit our website for more information on the Lebih banyak

$277 USD dalam 10 hari
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