small power pcb design with auto battery switch over

Fermé Publié le il y a 4 ans Paiement à la livraison
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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.

Design de circuits Génie Électrique Electronique Microcontrôleur Mise en Page PCB

Nº du projet : #19642808

À propos du projet

16 propositions Projet à distance Actif il y a 4 ans

16 freelances font une offre moyenne de 45 $ pour ce travail

bijan01in

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

$111 USD en 5 jours
(99 Commentaires)
6.4
etalhak

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

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(40 Commentaires)
5.4
pcbdesign88vn

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 en 3 jours
(19 Commentaires)
4.7
isurutech

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 Plus

$55 USD en 7 jours
(3 Commentaires)
3.7
Provi11

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 en 10 jours
(8 Commentaires)
3.9
asimzia95

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!

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(8 Commentaires)
3.4
sascowala

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 Plus

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(4 Commentaires)
3.1
Waleed15499

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

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(2 Commentaires)
2.7
farispcb

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: Plus

$111 USD en 3 jours
(2 Commentaires)
2.5
dezinerinsect

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 Plus

$30 USD en 0 jours
(0 Commentaires)
0.0
vw7403153vw

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, Plus

$20 USD en 10 jours
(0 Commentaires)
0.0
AzziOussama

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 Plus

$45 USD en 2 jours
(0 Commentaires)
0.0
Baba564

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 Plus

$55 USD en 7 jours
(0 Commentaires)
0.0
jpme19

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 en 2 jours
(0 Commentaires)
0.0
albertbalacquit3

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

$20 USD en 7 jours
(0 Commentaires)
0.0
MattEJohnson

Good afternoon, My name is Matt Johnson and I am an Electrical Design Engineer located in Bloomington, MN. I have a degree in Electrical Engineering, I spent three years working as an Electrical Test Engineer for 12V Plus

$20 USD en 7 jours
(0 Commentaires)
0.0