small power pcb design with auto battery switch over

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

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

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!

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 be used manufacturing professional level. Regarding your project, the designing of system is bit tricky. because to get out put of 5V and 4V, the input voltage range is very large. But anyhow I could design a circuit to fulfill your requirement. And also regarding the my biding value, your expected bid range is quite low with compared with your expectation and effort I had to put in to the designing. And also not forgetting freelancer fee we had to pay. Message me if you have any questions. Expecting a favorable reply, I remian. Isuru Athukorala

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.

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!

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 satisfaction is my top priority. For further details kindly DM. Thank you!

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

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: "Analog electronics"). I have a very good expirience with electronics, MCU, creating schematic, creating a PCB layout, power electronics, DC/DC converters .... I am ready for all types of cooperation. Best regards

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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, Sandro Guizzardi

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 board for fluidminer and gas detector that contains the same power system you want to make. I can make the schematic and the board for you in maximum 2 days. waiting for your respond Best regards Azzi Oussama

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 100 plus PCBs involved in 27 different projects (Power , control systems, PLC based , controller based , analog etc) very well equipped with Power electronics PCB (LEDs , Relay, passive elements, dc-dc converters , connectors such as molex,frc ribbon, yageo,etc ).. I feel I can do justice to your requirement.. I need a chance as I am new to Freelancing.. Note: If you are not satisfied I guarantee 100% refund.. If interested do contact me. I will be happy to help.

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.

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

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 automotive systems, and I have spent the past 5 years working as an Electrical Design Engineer for 12V automotive systems. I would be more than happy to help you with this project. What are the deliverables for this project? Do you need a PCB laid out or just a circuit schematic? Are the 5V and 4V power supplies already designed or are they to be a part of this project? Does the power to the 5V and 4V supplies need to be uninterrupted during the switch to battery power or can there be a slight delay?