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Determine electronic components needed for small Bluetooth device and micro usb port

The product is a cube shaped device that hangs on the neck, so it is small, like a necklace with low power Bluetooth connectivity to smart phones. The device will have two way communication with the smartphone, have a light source, and able to vibrate. We have already developed the server side software and mobile phone software that will communicate with this "cube".


1) Components:

a) battery - power - needs to be small, help us find best option that is small enough to fit in small device and last a few days.

b) micro USB port for configuring and charging device

c) vibrator so that the device vibrates on command

d) Some visual colorful portion on the cube that lights up

e) hardware/firmware communication with the smartphone via bluetooth and the micro usb port.

f) Show source of the component and pricing

A separate project will be CAD drawing of the cube to house these components.

This project does not require that you create a prototype. If you win this project, you are 1st in line to get paid to create the prototype and continue working with us on future versions.

Kĩ năng: CAD/CAM, Kĩ thuật điện, Điện tử, Thiết kế Công nghiệp

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Về Bên Thuê:
( 27 nhận xét ) Saint Louis, United States

ID dự án: #4546385

Được trao cho:


Hello, electronic engineer with over 15yr experience, available. expert with USB and blueetooth technology. please check my references and web site. Feel free to message me to start to discuss about your product. Thêm

$333 USD trong 10 ngày
(1 Nhận xét)

7 freelancer đang chào giá trung bình $414 cho công việc này


Hello Sir. I can do what you need with quality and reliability. Please read more about me and about my proposal at on the Private Messages box. Thanks for your time!

$360 USD trong 3 ngày
(51 Nhận xét)

Hi, I can help with this and have developed many devices for space-constrained applications.

$263 USD trong 1 ngày
(15 Nhận xét)

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 Thêm

$526 USD trong 3 ngày
(14 Nhận xét)

Hi, I am an experienced electronic product developer and I have designed Bluetooth devices previously. Please, contact me and we will get the design and full BOM completed. And I would be interested in performing th Thêm

$611 USD trong 5 ngày
(6 Nhận xét)

Hi I have the require background, PhD.

$1052 USD trong 3 ngày
(9 Nhận xét)

Dear Sir, This is Ahmed Hamdy an Industrial and CAD Engineer for more than 8 years, I worked as R&D Engineer for 4 years, I can do this project in a very very short time with a high quality with the lowest price

$277 USD trong 7 ngày
(8 Nhận xét)

Read Pm sir :)

$555 USD trong 3 ngày
(2 Nhận xét)

I am able to follow all phases of the project from the initial idea to prototype. I have more than 20 years of experience in designing embedded microprocessor devices.

$500 USD trong 7 ngày
(0 Nhận xét)