Bluetooth hardware development.

Seeking a freelancer to design our project. We wish to take readily available scales the have BLE 4.0 and leverage the new BLE 5.0 protocol to implement the mesh and beacon abilities within the product development.

The scales we have access too, already have the ability to send weight we want to add temperature and battery/charger voltage to be sent to an app we want to develop. The micro-controller used must allow for FOAT for all scale devices to assure timely updates to scales when required to address bugs and compatibility issues.

Take out the BLE 4.0 install BLE 5.0 with microcontroller and give me

#1 Weight data

#2 Temp data

#3 Voltage Data

All to a simple app interface that we can have the SDK and BLE source code

#4 Make it so the NEW BLE 5.0 Scale will use the Mesh network protocol so we can have many scales communicating and later we will work on pushing that data to a final App design and then a Web page for our clients

This scope DOES NOT INCLUDE Web Development at this time but the BLE 5.0 Scale and Simple App you make MUST

be capable for us to modify SDK and Have the BLE 5.0 source code so we can implement a cloud-based scale solution,

Basically Please quote taking two scales like this [login to view URL]

Scale capacity 3-180Kg + / 396lbs + Embedded Temperature sensor in the top of Scale, Temp sensor does not need to be of high accuracy. Must have Constant power supply adapter plug for wall power or rechargeable battery pack The scale must read in KG and Lbs Client option The scale must offer Tare weight The scale must have the ability to calibrate Scale weight and Temp offsets from app to each scale The scale must implement BLE 5 Mesh capabilities The scale must be configured to provide beacon announcements ( details of announcements post NDA) ? Operation: BLE 5 connectivity of an or all scales via a gateway to Network and App accesses. The app will allow clients to set Weight and temperature alert and power limits with Email and TXT notifications.

Skills: Electronics, Bluetooth Low Energy (BLE), Microcontroller, Arduino

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About the Employer:
( 0 reviews ) Hebron, United States

Project ID: #20394445

57 freelancers are bidding on average $3182 for this job


Hi I am experienced embedded system developer with more than 9 years of experience . I have worked on BLE 4.0 for a number of projects I would like to discuss more in detail if interested Regards Ali

$3500 USD in 30 days
(207 Reviews)

Hello, My name is Alexander. I have 8 years of experience in wearable device and IoT product design. I read your project description carefully and convinced that I can complete project successfully. Recently, I designe More

$3000 USD in 20 days
(21 Reviews)

Thanks sharing your project. As I'm a Senior Embedded System Engineer, so I have rich experiences in embedded device development using BLE/Bluetooth, Wifi, Lora, RF & Wireless over 8+ years. Especially, I had devel More

$3500 USD in 20 days
(29 Reviews)

Hello! Our team has a wealth of experience in the field of scales and other sensors. We also have experience with batteries and BLE. If you are interested in my bid, please start a chat to discuss the details.

$2500 USD in 42 days
(18 Reviews)

Hi, I hope you are doing well. I have extensive experience in Bluetooth Projects. I have worked on Bluetooth 4.0 as well as Bluetooth 5.0 modules. I have understood your requirements and would like to discuss it fu More

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Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working p More

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Dear Sir, I am an electrical engineer with 19 years experience in this area , listed among top talented freelancers here. I have worked on several ble4,5 projects and scales. I am going through your requirements an More

$2500 USD in 7 days
(15 Reviews)

Hi there I am an electrical engineer with 5+ years of experience with BLE. I have worked on BLE 5.0 mesh protocol. I can design and develop this project for you. Let me know if you are interested.

$5000 USD in 70 days
(29 Reviews)

Before awarding to anyone, give me a chance to discuss it with you. I am embedded system electronics engineer with 3 years of experience in iot development. I have expertise in development BLE 5.0 like nrf52. I can des More

$5000 USD in 30 days
(18 Reviews)

Dear Sir. How do you do? I have seen your description very carefully and posting to you my idea. you can see my many work history from my profile. If you give me a chance to interview, I'll explain in more detail and I More

$4000 USD in 40 days
(32 Reviews)

Hi, I have rich experiences with BLE firmware development for 5 years. I am familiar with ESP and NRF, and I also have some ESP32 and nrf52832/52840 modules. I have an experience with develop on BLE mesh using nrf52840 More

$4000 USD in 20 days
(2 Reviews)

I am a senior Android and IOS and web developer who has full experience with BLE of Android and Iphone , but also can make your app as you want. I hope to work with you. Please click my portfolio image, and then you c More

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(2 Reviews)

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$8000 USD in 60 days
(5 Reviews)

Hello! Thank you for posting job. I would love to have the opportunity to discuss your project with you. I have rich experience in designing hardware and developing software/firmware of embedded system. My major skill More

$2800 USD in 30 days
(13 Reviews)

Hello, as an experienced electrical engineer with more than 7 years of experience, I am very confident with your project. I developed lots of electrical devices such as IoT devices, wearable devices, power supply devic More

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As embedded systems engineer with almost 10 years of experience as described in details on my LinkedIn profile: maqil abdelmouttalib, I can do a very professional job that I m sure you will like so much, let's keep in More

$5000 USD in 45 days
(1 Review)

Hello My name is Maria, Im an electronic engineer with a lot of experience in microcontrollers and BLE projects. I am very professional doing my job and I would like to know more about your requeriments to be part of More

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Hello! I am very interested in your project. i have rich experience on it. I think this project is very suitable for me and i am sure i can give you good result . If you award me for your project, you will get good r More

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There is experience developing devices using BLE 4. Examples can be sent to the post office. We will be happy to help you. The cost and time approximate, specified after the preparation of technical specifications.

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Hello, We have 15 years of work experience in manufacturing and have worked extensively in China, Apac countries and India. We have a team of Designing and Developing Electronics Projects and have a good experience i More

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