Design me an embeded android device -- 2

$750-1500 USD

Closed

Posted

over 9 years ago

$750-1500 USD

Paid on delivery

I want you design an interface/controller card which will be connected to an android 4.0 tablet via USB port. Card should have following min. ports and i/o on it. - 1 USB port to connect to android tablet - 1 analog port to read 4-20 mAmp devices - 1 Onewire digital interface to read temperature sensors like DS 18s20 - 2 RS485 port for communication with external devices - 1 RS232 port for Thermal Printer - 5 Relay to control external devices - 2 analog input to read shaft encoders - 1 Ethernet port (optional not mendatory) Designer should design pcb and also write a sample android application which can : - read&show shaft encoder turns - read&show temp values - open or close relays based on predefined conditions - read&show analog devices - print out data it reads or processed - read&show read values from a modbus device via rs485 - send processed data real time from rs485 ports. Please keep in mind that application should be designed to work 7 day 24 hours. All source codes and pcb design datas will be given to us. Also will be signed a Non-Disclosure Agreement.

Project ID: 6783234

About the project

26 proposals

Remote project

Active 9 yrs ago

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26 freelancers are bidding on average $2,675 USD for this job

@fashionMobile7

Dear sir. To get me in here, will be the success of your business and life in the world. The OASIS of Desert will not be good result than you got me in here. I am a high quality and top mobile developer. I have rich experiences in developing mobile app for over 5 years. Before felling in love with mobile apps, I had worked extensively with Java, Objective C, Eclipse, XCode, C/C++ to have a strong grip on OOP and design patterns. Worked in domestic/global app development teams during my last 5 years, gained rich experience and knowledge in mobile app development. This project is one of my excellent skills and full experiences. I will provide high quality result and fast service within your budget, surely. My working time and communication will be flexible to meet your requirement. Let's go with me! Best regards!

$3,157 USD in 20 days

5.0

(28 reviews)

8.0

@qitsol

A proposal has not yet been provided

$5,882 USD in 30 days

4.7

(41 reviews)

7.8

@tnavadiya

Hello, we can discuss more if you are interested. I am having embedded developer team and Android team as well. Thanks

$6,470 USD in 45 days

5.0

(35 reviews)

7.5

@MikroStar

hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.i can help you with this project. Please check my profile for my previous work experiences. let me know if you are interested in the bid so we can discuss the details further. regards

$5,000 USD in 35 days

4.8

(55 reviews)

7.6

@dmdbinary

Предложение еще не подано

$1,578 USD in 30 days

4.0

(11 reviews)

7.4

@amankaushal90

Hi ,I am an electronics engineer and an Embedded expert. I have done a lot of projects and I can guarantee you work on time with quality guaranteed. Please feel free to contact me regarding the project by sending me a private message here.

$3,964 USD in 40 days

4.9

(16 reviews)

6.0

@delamoure

Hello. I can design schematic and pcb for your project. Also I able to make prototype and write firmware. Device will be ARM Cortex-M based. Best Regards Anton

$750 USD in 21 days

5.0

(17 reviews)

5.5

@baobui

Hello, I have deep experience on embedded design and manufacturing. I developed a similar device that can interface with android device via USB and bluetooth. I can help you on this project

$3,333 USD in 30 days

4.9

(14 reviews)

5.7

@vitamin4ik

Hi! We're experienced in interface/controller cards development (especially with analog inputs, relays, RS485|RS232). We even have mockups and similar ready cards. So we'd like to sign NDA and start card development. Please provide us detailed information and we can give you sketchup (drawing) soon. Kind regards, Vitaliy

$1,000 USD in 14 days

5.0

(2 reviews)

4.2

@reachramhere

A proposal has not yet been provided

$1,000 USD in 25 days

4.6

(11 reviews)

2.4

@jeehosong

Dear, Wonderful job! As a android developer, it is very suit to me. I could help you fully as my ability. Please let me know. You could save your time. Thanks.

$1,250 USD in 10 days

5.0

(1 review)

1.4

@peastech

we are from peas technologies, we are doing embedded and software development, recently i did similar project for RaspberryPI, we are using IO card with 24 digital input, 16 relay outputs, 4 PWM outputs, high speed 2 counters, 10 low speed counters, timers etc., i read your requirements, and wish to list following features in your development, our development include PCB design, full source firmware and software (as sdk) 1. 8-Digital Isolated Inputs 2. 2-High Speed Counter Inputs 3. 8 Channel 10 bit Analog input 4. Onewire Communication 5. I2C/SPI 6. 1-RS232 7. 2-RS485 8. 8 Relay Outputs 9. 2 - DAC 10. 2-PWM/4 Channel Bridge PWM

$1,400 USD in 20 days

4.9

(3 reviews)

1.4

@vanujohn

A proposal has not yet been provided

$1,250 USD in 20 days

0.0

(0 reviews)

0.0

@mvigliar

Non hai ancora fornito una proposta

$1,666 USD in 15 days

0.0

(0 reviews)

0.0

@aepsupport

Hi we have android tablet design with A10 chip. we have also ready things available for USB with microchip, PSoc & STM devices. now other parts are simple digital communication. so we can give you this device in your budget. please share some more detail we can give you video of our android tablet. Regards

$1,666 USD in 30 days

0.0

(0 reviews)

0.0

@solitlv

Hi, I can propose complete electronic & FW parts of design as it is very close to the devices I've developed before. Device might be based either on AVR Mega or AVR32 series MCU. I can show my existing devices if necessary.

$3,333 USD in 30 days