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Vending Machine Telemetry via DEX/ MDB protocol using Arduino and GSM shield

$250-750 SGD

În desfășurare
Data postării: peste 7 ani în urmă

$250-750 SGD

Plata la predare
Vending Machine Telemetry project to extract machine data (MDB or DEX) - specifically vending machine selection and successful dispensing information (additional payment information will be good but not absolutely required), and upload them via GSM shield to a URL. Detailed schematics with arduino, GSM shield (or similar), hardware interface with vending machine (including drawing power from vending machine), and all other required associated components (with part number) to be detailed and provided, together with Arduino firmware code. All other required components or code to make the project well functioning shall be provided as well. The milestones shall include (1) schematics and code and (2) full payment released after the project is successfully tested and functional.
ID-ul proiectului: 12036892

Despre proiect

10 propuneri
Proiect la distanță
Activ: 7 ani în urmă

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10 freelanceri plasează o ofertă medie de $970 SGD pentru proiect
Avatarul utilizatorului
Hi, I hope you are doing well. I have expertise in all communication protocols of Arduino. I have worked on number of GSM shields and successfully uploaded data to cloud servers. I would like to discuss the project in more details. Looking Forward, Khawaja
$526 SGD în 10 zile
4,8 (76 recenzii)
7,1
7,1
Avatarul utilizatorului
Hi sir We offer you our solution at very affordable and comparatively low rates. Please discuss in detail. Let me introduce my team to you and what we offer to our clients. We are team of expert engineers and developers who are sound experienced in embedded systems (arduino + other microcontrollers), programming, circuit designs, electronics, product designs, pcb layouts, database management, MySQL, android apps etc. We will deliver design and code, if you want us to send you prototype, you have to pay additional charges of prototyping and courier such as DHL/FedX etc. We are very friendly in nature and will help our clients during and after projects completion. We are flexible in communications and rates. Very much looking forward to hear from you on this in coming days. Regards, Ahmed Lead Technical Engineer Turktronics
$450 SGD în 10 zile
4,8 (55 recenzii)
7,0
7,0
Avatarul utilizatorului
Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in embedded programming using pic and dspic controllers for Power projects, Boot loaders, EEprom. I designed sine wave inverters for standalone and grid tie Inverters. I designed projects like Off line UPS up to 3 KVA, synchronous rectifiers, Solar MPPT chargers, Battery chargers ,Grid tie inverters design with PLL and feedback control circuit emergency light of 66W and Online UPS control cards, Battery Charging power supplies, LED drivers for PWM controlling and dimming, SMPS, Power supplies. I have experience in schematics and PCB design experience in Altium and ORCAD. I am ready to work for you. Please contact for further discussion.
$1.333 SGD în 20 zile
4,9 (51 recenzii)
6,6
6,6
Avatarul utilizatorului
Hello Sir/Madam, I am Anthony Perera from Sri Lanka and I have multiple degrees on Engineering field. Why you should hire me ? * I am a FULL TIME freelancer and once a project is awarded to me,all my time will be dedicated to that specific project so you will get fast and quality work. * I have been in the field of product designing so if you are developing a commercial device I can help you to design it at very low cost and also can get into contact with Chinese manufacturers who I work with. Very reliable and fast. * I have my own PCB printing facility and also a workshop where I can design and manufacture any number of samples/prototypes. In that way you don't have to find some one else to test my work. * My prices are very fair and can be negotiated all the time. I am very flexible and very understanding. You can see my reviews. Check my profile. See for your self. https://www.freelancer.com/u/Anthony989.html Thank you Anthony Perera
$777 SGD în 10 zile
4,7 (68 recenzii)
6,7
6,7
Avatarul utilizatorului
Hello. Do you already have a server for collection of that data through GPRS +HTTPconnection? Or some other technology should be used?
$500 SGD în 15 zile
4,9 (111 recenzii)
6,0
6,0
Avatarul utilizatorului
VB5, VB6, VB, VB.NET 2015, ASP.NET, MVC, WPF, XML, MSSQL 2014, HTML & CSS3 programmer. I have experience about 20 years (32,000+ hours) in programming complex database application as well as Windows Desktop and Server/Client application. you will get yearly service and support as well as update of this software to avail new version from me. I am professional to provide corporate custom complex software which is not available in the recent market. So you may turn your desired application dream to real. Long term support.
$750 SGD în 10 zile
5,0 (11 recenzii)
5,6
5,6
Avatarul utilizatorului
FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am an Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past projects I have handled and check my reviews for what employers have to say about my work... Can start right now...
$2.000 SGD în 10 zile
5,0 (9 recenzii)
4,3
4,3
Avatarul utilizatorului
Hello! I can carry out your project. I have all the necessary equipment (microcontrollers and modules) in my studio. I've had experience in writing firmware for such devices. But In fact, I need a more detailed description of the project.
$750 SGD în 30 zile
4,6 (11 recenzii)
4,1
4,1
Avatarul utilizatorului
Hi, I am an electrical engineer and have been working as embedded systems developer for past 4 years. I have developed systems using arduino, STM32, PIC and raspberry pi. I have created a number plate recognition system, driver fatigue detection system and video surveillance system using raspberry pi and pi cam. These projects were very similar to your project. i can complete your project in minimum time and with excellent quality. Looking forward to your response. Thanks
$1.500 SGD în 10 zile
0,0 (0 recenzii)
0,0
0,0
Avatarul utilizatorului
Hi, I am embedded systems designer with more than 15 years experience and would love to work on this project. I also have very good experience with making Android applications to gather machine data remotely and display and control through wifi, bluetooth and GSM. regards, Ali
$1.111 SGD în 30 zile
0,0 (0 recenzii)
0,0
0,0

Despre client

Steagul SINGAPORE
Singapore, Singapore
5,0
9
Metoda de plată a fost confirmată
Membru din iun. 11, 2016

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