small power pcb design with auto battery switch over

I need somoene to design a pcb that will take power from a 12v 5amp DC adapter and will have 2pc 18650 lithium [login to view URL] batteries will be parallel connection . The batteries will be charged via the the dc source but will switch automatically to battery on power failure. The out put power will be be constant and linear 5v 2amp and 4v 2amp. I will have separate overcahrge and discharge protection circuiut for the batteries. These are meant to power up arduino with a number of microchips and gsp modules with gprs.

Квалификация: Схемотехника, Электротехника, Электроника, Микроконтроллер, Разводка печатной платы

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О работодателе:
( 2 отзыв(-а, -ов) ) Dhaka, United States

ID проекта: #19642808

21 фрилансеров(-а) в среднем готовы выполнить эту работу за $113


Hi I am interested to your project. I am familiar with electronics, microcontroller as well as PCB design by Eagle. Thanks.

$111 USD за 5 дней(-я)
(84 отзывов(-а))

Dear you, I am a design engineer witj 7 year experiments using Altium. I have designed the charger for 1 cell 18650 using isl9220, so i will give you the best result. Brg!

$30 USD за 3 дней(-я)
(6 отзывов(-а))

Dear Sir, I would like to present my self as prospective candidate to do your project. I have sound knowledge and experiences in designing of electronic circuits and designing of PCB using FreePCB output of which could Больше

$55 USD за 7 дней(-я)
(1 отзыв)

Hi I've hands on experience with PCB and circuit designing using eagle and proteus. I've reviewed your project description and I am interested in doing this job. I will assure you about the quality of work, and your s Больше

$30 USD за 1 день
(3 отзывов(-а))

I have a diverse experience when it comes to electronic circuit design, as i have a profound engineering background. Kindly review my PORTFOLIO, i can get the job done thanks!

$55 USD за 1 день
(4 отзывов(-а))

U are in the right place sir It's easy job but i have some questions i can design it at protos and send u as gerber file at only two hr

$27 USD за 1 день
(2 отзывов(-а))

Hello, I have a Master Degree in Electronics. I worked on many projects like Smart home systems in a research team at my workplace. Also, I am an Assistant Professor at University in Sarajevo (Responsible for course: Больше

$111 USD за 3 дней(-я)
(2 отзывов(-а))

Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, Plasma ARC power supplies, high f Больше

$1000 USD за 30 дней(-я)
(2 отзывов(-а))

General message: Dear Sir, Greetings from Turkey. I hope you are good. Let me introduce me. I'm Electronics Enginner who have 19 year experience. My experience is related to power electronics, hardware de Больше

$35 USD за 1 день
(2 отзывов(-а))

I have done many PCB designing projects and have relevant skill.i have designed PCBs for circuits that include relay. I have designed electric vehicle PCBs and you will get your PCB on time and with great accuracy.

$25 USD за 10 дней(-я)
(1 отзыв)

Hi, I am an experienced hardware engineer. This is a hot topic for me. I am working on charging 18650 type batteries for one of my client. I could help you on this project. We can discuss details if you send a message Больше

$30 USD за 5 дней(-я)
(1 отзыв)

Hello, how are you? I'm a mechatronic engineer that have used PCB and electrical circuits software, so I can do your project in a few days. I hope to contact with you and work in it. Thank you.

$27 USD за 2 дней(-я)
(0 отзывов(-а))

Proficient in Eagle PCB Cad Software, Creates PCBs with Standard & Custom design rules. Designs Power & Battery Design Circuits

$20 USD за 7 дней(-я)
(0 отзывов(-а))

Hello Sir I am a hardware design engineer. check my profile and portfolio for all the details about my experience. I have made the design you want before with different power levels you can checkout my interface boa Больше

$45 USD за 2 дней(-я)
(0 отзывов(-а))

Hello, I am a student from politecnico di torino. I can help you with your project. It is just a sort of buck converter and that will solve your problem. Best regards

$55 USD за 1 день
(0 отзывов(-а))

I have designed a similar system earlier for various applications in defence sector. 2 years plus experience in embedded systems company. I have dealt with 8 layers PCB with 1500 plus components. Completed layout of 1 Больше

$55 USD за 7 дней(-я)
(0 отзывов(-а))

Hello, I'm sure I can help you with the design of this board. I have a long experience on designing PCBs and projects of this kind for valuable customers like you. Waiting to hear from you soon, I remain, Sincerely, Больше

$20 USD за 10 дней(-я)
(0 отзывов(-а))

Good day! I can help Make a scheme, a list of items, printed circuit board. I will do everything in KICAD. Outputting GERBER and PDF files

$500 USD за 12 дней(-я)
(0 отзывов(-а))

Lets start with design elegency. We are ready for the project. Please visit our portfolio https://www.freelancer.com/u/dezinerinsect?w=f Dezinerinsect is an innovative studio specialize in logo, brochure, flyer, il Больше

$30 USD за 0 дней(-я)
(0 отзывов(-а))

Hi, I develop customer-specific products and know-how-related solutions. I’m willing to work on this project with you. Before giving any proposal I would like to have a clear discussion with you. Don’t pay too Больше

$100 USD за 1 день
(0 отзывов(-а))