Development of wireless sensing network

$10-20 NZD / hour

Closed

Posted

about 7 years ago

$10-20 NZD / hour

Development of wireless sensing network I need to develop a wireless sensing network including wireless nodes, gateways and data acquisition for the following set of sensors: Wireless displacement sensor Wireless accelerometer sensor Wireless tilt sensor Wireless strain gauges Wireless temperature sensor Wireless humidity sensor System requirements for displacement sensor (LVDT or DVRT): displacement range: around ± 100 mm, sampling rate: 200 Hz or more, resolution: 0.1 mm. System requirements for accelerometer sensor: measurement range ±2g, 16bits, sampling 200 Hz, Jitter must be avoided System requirements for strain gauges: half and full Wheatstone bridge System requirements for temperature sensor: measurement range -20C to +45C System requirements for the wireless node: Long battery life: 2 years or more, synchronisation between nodes: 0.05 sec and signal conditioner: apply Antialiasing filter, gain. System requirements for data acquisition system: it can handle large number of sensor nodes (50-100), communicate with various types of sensors (above), recorded data can be accessible via Ethernet, wifi, clouds, or 3G/4G I need an engineer who can suggest and design the required electronic boards, program them and possibly develop an Android application to monitor the system. Thanks.

Project ID: 13613569

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32 proposals

Remote project

Active 7 yrs ago

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32 freelancers are bidding on average $18 NZD/hour for this job

@sagradoamicus

Hi Sir I am an expert embedded system developer I can do it for you I have more than 8 years of experience, I have worked with almost all sensors you have mentioned lets discuss in detail to pave a path on how we can achieve it Waiting for your reply to start Regards

$20 NZD in 30 days

4.9

(61 reviews)

6.9

@Julian29

Hello, I am available full time for work. I saw your project specifications and you need mobile apps developed and i have relevant experienced making apps like Social networking, Taxi Services, Delivery, Booking, GPS tracking, Pick up delivery, Parking and many more. I have good skills relevant to your project requirements in Android studio and Objective C programming, Back-end panel in (PHP,MySQL) and Rest APIs development. I got 5 years of experienced in developing apps for the startups and have good proven track records and excellent clients reviews. My first priority is to earn client maximum satisfactions and earn their believe on my work to serve quality work. I am always available for the quick communication during development to ensure everything going perfectly as planned. After development there will be free support to fix bugs and issues if you might face. I look forward to working with you. Julian (Developer) , Thank You

$10 NZD in 40 days

4.5

(51 reviews)

7.1

@dennuar

Hello! I am interested in your offer! I have experience in Electronic design, PCB layout, Microcontroller programming and prototyping over 10 years for power electronics with microconttrollers: PIC (microchip), AVR (ATMEL), Arduino, STM32 (STeleсtronics) and others. Examples of my work you can see in the portfolio. Waiting for your reply. Best regards, Denis Mark.

$10 NZD in 40 days

4.7

(23 reviews)

6.3

@shahbaz1980

Hello, Have a great day. I am Shahbaz Ali owner of a startup company. We are providing design and prototyping services for electronics industry. We will ship you fully working prototype and develop the Android app. Please feel free to contact us. Regards, Shahbaz.

$40 NZD in 10 days

4.9

(22 reviews)

5.8

@webbookstudio

Hello, my name is Michael. I represent Ukrainian based IT-company Webbook Inc that provides services in the IT-sphere for international business. We were carefully reviewing the requirements of the job description, so our devs can work on Your project without delay. We have years of working on projects related on any available CMS, from "scratch" with core php and php-frameworks(Yii/Yii2, Laravel, CodeIgniter), JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap, javascript-frameworks, 3d desidg, graphic design etc. However, I shall discuss about the requirements and functionalities in details to have a better understanding about time frame and price. We are glad to chat with You and discuss all in details. Contact us and we will reply immediately. Waiting for Your reply! Best regards, Webbook team

$18 NZD in 33 days

5.0

(4 reviews)

5.3

@RubyOnRail

Hello, It's a pleasure to let you know that I've Completed and Delivered similar project before. All I need to work on customization part if we can proceed towards more discussion. I have gone through your project description and confident to accomplish your project. I am an individual developer and you will be working directly with me if we proceed work on this project. My key skills are – 1)Ruby 2)Ruby On Rail 3)Angular JS 4)Node JS 5)PHP with Codeigniter and Laravel Framework. 6)App development Let's initiate our chat so we can proceed towards the conclusion of this project scope and give it a start as soon as possible. Thanks & Regards

$16 NZD in 40 days

5.0

(5 reviews)

5.0

@workspaceit

Hello, I am Tahsinul Alam, completed Masters in Software Engineering now working as one of the project manager in Python team of Workspace Infotech Ltd, software/Outsourcing firm located in Dhaka, Bangladesh. We have 16 different teams to work in different mobile,web and desktop technologies and give quality services all over the world. Technology: We have excellent and dedicated Team of web developers & designers specially in Python in raw python and in Django framework. We workd in Anguljs and Javascript too. We used tools like Jira, ASANA, trello, Bitbucket for our project management. We can give u full team or individual (worked directly under u) as fixed salary or project basis or hourly support as u required. About your project: We go through your project details & we are confident in doing this whole project in due time. End point: Check the reviews for our previous work & all other questions may arise. Please send us more specific information as needed ( we need to sit for more details, after that we can give u perfect budget & timeline) So that we can move forward easily. Hope we can do a good business in near future. thanks and waiting for ur response. Thanks Tahsinul Alam Director & Project Manager, Python Team WorkspaceIT

$16 NZD in 40 days

5.0

(2 reviews)

4.4

@DevoirTechsoft

will do that , we have worked previously also on the proximity sensors and the wireless enabling software with hotspot creation nodes devirsion and others, waiting for kind reply for more detail discussion. if you really wanna complete this , contact soon asap thanks and regards , Vishi

$16 NZD in 40 days