Design a Small Bluetooth Circuit with 3 Buttons and Battery Power

Dear client, I'm an european electronic engineer with more than 11 years of profesional experience. I've developed over 20 products, some of them are currently sold in more than 100 countries. I can swiftly provide you a profesional schematic as well as its mart list, able to be used for generating a PCB and Gerber files for PCB production. If you have any question, please let me know. Best regards.

If you need a serious PCB designer with 10 years experience! I am here! Send me a message! Have a nice day!

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I have done a similiar project.i can help you .contact me......,..........................................

A proposal has not yet been provided

Dear Sir/Madam, I am an experienced researcher in the field of analog circuit design both at PCB and IC level, currently employed as a teaching assistant, lecturing several courses in this area. I am capable of providing you the solution you seek for within the minimal time interval ( as I am free to start immediately) and I am at your service through PM for further details. Best regards.

Hello, We are three guys majoring electronics and circuit design. We can help you. And you can see this is our first bid so we will do best to make our profile better. You know first time we dont want to have bad review. Please knock me for further discussion. thanks.

Hello So you need only the part list and the diagram right?? I would like to know the purpose of this thing so that i can suggest it accordingly. Let us discuss this briefly over messages. Awaiting for you messages!! Thank you!!!

Hello, Very interesting and good project. I think that is easy way to design and write firmware. It would be glad to work with you.

I have experience of hardware and software both so it is easy for me to build this project for you. And i have hand on Bluetooth module also.

I have read and fully understood your requirements.. Please open chat to discuss. =============================================================================

Hi, my name is Keith and I am a professional engineer living in Tennessee, USA. I graduated from Vanderbilt University with a mechanical engineering degree in 2012. Previously having worked in the aerospace industry, I am now a full time contractor and have worked on a wide variety of product designs for personal customers, Kickstarter businesses, and entrepreneurs. I have experience in designing Bluetooth circuits and have no problem designing within your specifications of the 1.5" cylinder and connectivity with an Apple device. Thank you for your consideration. Please feel free to contact me and to have a look at my profile and portfolio. - Keith

I complete and work on that task using adafruit board and BLE module 4.0 also led indicate battery status and charge during supply and backup when power plug not connected...more for that project contact or mail