analogue circuit design and digital processing

We are developing some devices to measure physical activity using strain gauges. Part of the process will be to measure an analogue voltage / current (for about 15 s) from a bridge circuit, sample at ~1000 Hz 16 bit, then transmit via bluetooth to a smart device (iPhone etc). Transmission doesn't have to be real-time, it could be buffered and then sent as a package. The electronics will need to be battery powered. In the first instance we will need a working prototype which would lead to a product that required no operator input and turns itself off after a fixed time. Sorry no images at present. In the longer term the electronic device would need to have a unique id number such that several of these devices could be used at the same or similar times but logged against their id .

Skills: Circuit Design, Electronics, Microcontroller, PCB Layout

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About the Employer:
( 0 reviews ) United Kingdom

Project ID: #16963920

14 freelancers are bidding on average £2456 for this job


Hi I am experienced electronics designer with more than 8 years of experience. I have completed a number of projects here, Please review my profile to see the feedback from my previous employers. I would like to discus More

£2300 GBP in 25 days
(208 Reviews)

Hi, I would like to know more about the project. I have good experience about analog signals. One of my last project was automatic guitar tuner(also for some of Turkish instrument) with processing analogue signals. More

£2500 GBP in 40 days
(35 Reviews)

Hi, I hope you are doing well. I have expertise in embedded system design and development. I have reviewed your project details and I would like to know ranges of voltage and current measurement you want to inte More

£2500 GBP in 35 days
(51 Reviews)

Hello I have experience in designing electronics circuits and can make your project. For your assurance, i can just say that, "I AM IN CHINA RIGHT NOW AND I CAN SHIP COMPLETE WORKING PROTOTYPE TO YOU AND WILL GET THE More

£3500 GBP in 45 days
(26 Reviews)

Senior ENGINEER. have at least 40 years experience developing Hardware and Software Expertise in stran gauge mesure and Bluetooth working with nrf52822 Producing Analog/Digital Video board designs, layouts and modi More

£2500 GBP in 10 days
(50 Reviews)

Hello, Have a nice day. Iam Shahbaz Ali from I-TECH. We will design, prototype, test and deliver the Electronic device to log data. We will also develop Android app to log the data. If you want to work with us on l More

£3000 GBP in 45 days
(44 Reviews)

Hi, I am an experienced engineer and product designer and developer. I am very knowledgeable in analog signal acquisition and processing, as well as BLE communications. I can design, build and test a prototype of th More

£2500 GBP in 30 days
(7 Reviews)

Hi there , I am Electrical + Software engineer with 19 years experience . I am interested in your project,Kindly send me a private chat message since this is a public post .

£1500 GBP in 30 days
(12 Reviews)

Dear Sir, I am an expert with more than 15 years of experience in the field of embedded systems, electronics, prototyping and PCB layouts. I assure you the best solution for your design project. Please share with More

£2500 GBP in 30 days
(38 Reviews)

Hello I did many project using strain gauge, I would prefer to connect the Arduino to PC and make drawing there using Matlab utilities. Then after confirmation we can develop the app to present and figure the data. More

£2777 GBP in 30 days
(8 Reviews)

Hi. I am a professional Electronics Design Engineer having expertise in sensor interfacing with controllers and their data reading. I can provide you the working proto-type as per your specifications. Contact me.

£1500 GBP in 30 days
(13 Reviews)

Hi, I think I can do it. I have developed some EEG/ECG product. I am expert in Circuit design/PCB layout/Firmware develop. I have more than 19 years experiences. I have developed a lot of product, some of these is us More

£3000 GBP in 40 days
(5 Reviews)

Hi, We will develop you physical activity measurement IoT/embedded solution. We have very good experience with building wireless based IoT solution. We have build similar solution that sends sensor's data over WiFi More

£2500 GBP in 30 days
(8 Reviews)

Hello, we can do this for you. When can we discuss your project? Here are samples of work: [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] More

£1800 GBP in 30 days
(0 Reviews)