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Develop a iot based offline android app

Hi,

I have a project which is a wifi weighing scale. Using nodemcu + hx711 + 100 kg load cell.

I need an Android app which will work without internet, which can do the following tasks.

1. The load cell data from the nodemcu is transferred through wifi to Mobile phone using serial communication over wifi. This data is of crop harvested by a worker in an agriculture land.

2. The worker who is cultivating, shall have to be authenticated by face point recognition.

The mobile phone will contain, the following stored master data, worker data with face points, workzones, workcodes, category/book.

The Process :

1. Mobile will fetch the load cell data via wifi, authenticate the worker using face point, capture manually the Session wise(4 sessions) data as workzone, workcode, date, time, operator, mobileid from operator input and process each data & store in local database.

2. At end of day, the data has to be frozen/ finalized and can be viewed & downloaded only.

3. Download file options csv, xls, txt. (filename starts with mobileId plus the date.)

4. Download file contains all data captured above, of each worker with all sessions combined in a single row in a day.

5. Also provide option to delete the previous data.

6. Local database should preserve the data for at least 7 days.

7. File can be downloaded by wifi or usb cable to PC OR can be synced to cloud server.

Please give me your quote, with the money & time required. Our budget is minimal. We shall start immediately.

Ask me as many questions before giving your quote.

Skills: Android, Mobile App Development, Software Architecture, C Programming, Internet of Things (IoT)

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About the Employer:
( 0 reviews ) Calcutta, India

Project ID: #31549917

9 freelancers are bidding on average ₹35728 for this job

(8 Reviews)
5.5
bintusad5

**** Face Recognition Expert **** Hello. I am a machine learning and computer vision expert with full experience in face recognition. I am very familiar with dlib, mtcnn, arcface, etc and have developed lots of face r More

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Pankaj9810

Hey there ! Good day. I am Pankaj Ranga I would like to work with your project and I can surely provide the details you have specified on the project description. I can confidently say that I am knowledgeable enough to More

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lanceruvc

Hello We are the team of expert with great experience in there field as listed below. Providing technical service form POC to Prototype till Production setup. 1. Industrial Automation 2. PCB Designing & Manufacturing More

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pyther

Hi, We are expertise in IoT/BLE Development, Javascript, React Native, Java, React and many more. We are actively working on IoT projects we had completed 20+ IoT Projects. Please share your requirement in detail so t More

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mariayounas726

Hello, We're a team of professionals web & Mobile Application developer with experience in building static and dynamic websites and web applications. We have worked successfully with USA based clients and have delive More

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Daljeet049

I have 10 years experience in Android developer field. I read your requirement carefully and I Will complete your project in 7 days.

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danielgrapher

Hello, your project sounds interesting. Is the app for android, iOs or both? Do you already have the electronic circuit and the programming? I pass costs and times to you Electronic circuit development $ 180 in 3 weeks More

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ankurtech

Hi sor, we gone through your requirement. We can deliver as per your requirement. We have experience of 10 years in this domain. We also work similar on this type of weighing scale system. Kindly discuss so that we can More

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