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PCB for usb-to-usb secure data transfer.

$30-250 USD

已完成
已发布超过 7 年前

$30-250 USD

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The device will transfer data between two computers. The hardware must be secure, no possibility for direct copy from computer A to computer B and backward. The first computer store data on flash 1. The microcontroller copy data from flash 1 to flash 2, the second computer copy from flash 2 to local directory. Both computers are with Linux. The product is a printed circuit board with two USB connectors, two flash memory chips, one microcontroller. The data transfer is few times per day at given clock time.
项目 ID: 12782646

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3提案
远程项目
活跃7 年前

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Dear Valued Employer, My name is Martin Botsov and I am an engineering physicist with extensive experience in the field of circuit design, circuit prototyping and PCB design. As I understand from the project description you are looking for an electronics engineer capable of designing a custom PCB according to all stated requirements. I would suggest Viniculum II. So, without further ado here's how the workflow would look like, if you happen to choose me as a partner for your project: 1. Initial discussion 2. Proposal for solution 3. Block diagram of proposed solution 4. Schematic drafts based on proposed solution 5. Component library creation 5.1 Schematic symbol library creation 5.2 Footprint library creation 6. Schematic drawings 7. Review of schematic drawings 8. Layout design 8.1 Components placement and arrangement 8.2 Components routing 8.3 Review of final layout design 9. Design rule check 10. Final check, verification and validation 11. Production files (GERBER, NC DRILL, ASM, PICK & PLACE, STEP, BOM, SCH, 2D mechanical) Your project will be carried out on Altium Designer and Autodesk Inventor. Delivery term could be reduced once I start working on the project. Don't hesitate to contact me with questions regarding any details around your project. You could also check out my profile on Freelancer and LinkedIn for more details around my professional experience. I am looking forward to hearing from you soon. Thank you for you time. Kind Regards Martin Botsov
$248 USD 在42天之内
4.9 (5条评论)
4.4
4.4
3威客以平均价$236 USD来参与此工作竞价
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Hello Sir/Madam, I am Anthony Perera from Sri Lanka and I have multiple degrees on Engineering field. Why you should hire me ? * I am a FULL TIME freelancer and once a project is awarded to me,all my time will be dedicated to that specific project so you will get fast and quality work. * I have been in the field of product designing so if you are developing a commercial device I can help you to design it at very low cost and also can get into contact with Chinese manufacturers who I work with. Very reliable and fast. * I have my own PCB printing facility and also a workshop where I can design and manufacture any number of samples/prototypes. In that way you don't have to find some one else to test my work. * My prices are very fair and can be negotiated all the time. I am very flexible and very understanding. You can see my reviews. Check my profile. See for your self. https://www.freelancer.com/u/Anthony989.html For this price I can supply a prototype . Please contact me if you are interested. Thank you Anthony Perera
$311 USD 在10天之内
4.1 (4条评论)
3.8
3.8
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Dear Employer, Please find enclosed my bid regarding your project. I have 15 years of general experience in business. I can try to find suppliers/manufacturers, as result of web search. Please look at my profile on this web site platform, because I have rating in sourcing projects. Best regards, Dejan Obradovic
$150 USD 在10天之内
4.6 (3条评论)
2.9
2.9

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BULGARIA的国旗
Varna, Bulgaria
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会员自8月 27, 2008起

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