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Intermittent on / off pulse from fraction of second to seconds using potentiometer.

Design and create a circuit board using 555 timer, or something along this line

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Encase circuitry (possibly with 3D printer)

control frequency using a small potentiometer.

Circuitry is designed to wear on body and is light and portable

System runs on two AA batteries.

Fixed price of $300

Skills: Electronics, Electrical Engineering, Microcontroller, PCB Layout, CAD/CAM

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About the Employer:
( 0 reviews ) Charlottesville, United States

Project ID: #31918847

22 freelancers are bidding on average $384 for this job

sagradoamicus

Hi There, I have almost 13 years of experience. I have read the details and have a few questions. Please get back to me to discuss it further. Thanks.

$450 USD in 7 days
(269 Reviews)
8.1
avigupta0061

Best Circuit Design Expert at your doorstep! Dear Client, We can design "Light and Portable Circuit board based on Wearable Device" using 555 timer, small potentiometer, 3d printer for you. We have seen the link you s More

$450 USD in 2 days
(42 Reviews)
7.4
amelectronics

Hello there, I have experience in designing electronics circuits and can make your project. I can also develop hardware compatible android apps and will provide you all the design for your product including schematic, More

$400 USD in 7 days
(68 Reviews)
7.0
quang102

hello, I can help you do this, please ib me. Thank You. .....................................................................

$300 USD in 10 days
(37 Reviews)
6.5
macroenergy

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renew More

$300 USD in 2 days
(38 Reviews)
5.9
hsh564cf84accd96

Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time and budget Able to deliver y More

$350 USD in 7 days
(59 Reviews)
5.7
saied2017

Hello I’m Mohamed saeed Electrical engineer expert with high experience I have checked your job description and ready to help you in your project

$500 USD in 7 days
(26 Reviews)
6.2
HarimohanG

Hi I can design "Light and Portable Circuit board based on Wearable Device" using 555 timer, small potentiometer, 3d printer for Intermittent on / off pulse from fraction of second to seconds. I have humungous experie More

$400 USD in 2 days
(4 Reviews)
5.2
(14 Reviews)
4.7
antostanislav

Hello, I am a Senior Software developer. I have been working as a embedded firmware and hardware designer for 10+ years. I had developed several similar projects using the various microcontrollers such as STM32F1/2/3/4 More

$750 USD in 7 days
(2 Reviews)
4.2
phielectronicdes

We can fulfill your requirements for your device, and provide a suitable prototype. Feel free to contact us to discuss and start working.

$300 USD in 7 days
(4 Reviews)
3.9
elect2eng

I suggest you to use a micro controller to do this task. Are you familiar with Arduino platform? IF you can make the case and PCB, I can design the program and the circuit diagram

$300 USD in 7 days
(14 Reviews)
3.5
StacyStar123

❤️️Dear Project Client❤️️ Thank you for posting this project, and I'm very happy to bid your project. I've read carefully your project details. I have rich experiences related with Solidworks. For a long time i built More

$300 USD in 3 days
(6 Reviews)
2.7
DoctorGaitho42

HELLO DEAR CLIENT Experienced in ELECTRICAL , ELECTRONICS & COMPUTER ENGINEERING With a demonstrated History of Academia in the Field of Engineering. I have research, Design and Theoretical knowledge in; Electronic Des More

$350 USD in 2 days
(2 Reviews)
2.8
QasimZafar99

Hi I have read your requirement and I can design a PCB board for you and encase it in a custom created 3D box. I will design the board on Altium Designer. Kindly Inbox me for further discussion

$300 USD in 3 days
(2 Reviews)
1.6
EnarxiInno

We are a Product Design and Development company with expertise in embedded systems and robotics . We provide Services such as Embedded Firmware Development for Controllers and Processors , Embedded Hardware Design and More

$300 USD in 7 days
(1 Review)
1.4
kickerslevi

MASTERS IN ELECTRICAL ENGINEERING HELLO DEAR CLIENT I have gone through your project details and the work is DOABLE since its within my area of EXPERTISE.I will tackle are required guideline to deliver desired goal Ple More

$500 USD in 4 days
(1 Review)
1.1
Articleguru19

Hello there, Hope you are doing well. I am an impeccable and professional ACADEMIC and ARTICLE Writer and ready to offer the best services. I provide plagiarism-free writing services as I have already done several rel More

$500 USD in 7 days
(0 Reviews)
0.0
shoufreelance

As a highly skilled PCB designer, I can help you perfectly. I am very confident with my skills and I'd like to help your business by doing my best. My clients have never been frustrated with my work and I hope to make More

$400 USD in 7 days
(0 Reviews)
0.0
ProductDesignLab

Hello I am excited to work on your Project I can Design Build and Prototype it for you for $250 I have extensive experience in Product Design, CAD, DFM, Electronics 3D Printing and IOT I would be excited to take on yo More

$250 USD in 7 days
(0 Reviews)
2.8