Vending Telemetry solution using Arduino

Hardware architecture

Arduino UNO R3

SIM800 Shield Quad band 850/900/1800/1900 MHz GPRS/GSM Development Board Module Kit for Arduino UNO

SD Card Hot Data Logging Shield





BDV over MDB

MDB Transparent Sniffer


Vending Machine Telemetry project to extract machine data (DEX, MDB, EVA-DTS) - 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 FTP. Data transmission about general sales counters, cash counter, general test counter, selections tests counters, selections prices, and other sales informations;

events / errors on vending machine with code and generate time;

upload them via GSM shield to a FTP or HTTP.

Electronic button for filler in order to confirm full load of the machine at current date and hour.

Integrated display LCD with minimum 4 lines X 20 characters in order to see status of telemetry device (initialization / receiving data / transmiting data / full load confirmation OK )

Work offline capabilities are needed for entire system in the situation of no SIM signal. Other technical functions need to meet auto erase old files from SD card once storage capacities is reached and old files are confirmed to already exist in the server.

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) needs to be detailed and provided, together with Arduino firmware code. All other required components or codes to make the project well functioning shall be provided as well.

The milestones shall include (1) schematics and code and (2) full payment will be released after the project is successfully tested and accepted as functional.

Taidot: Arduino, Mikrocontroller, elektroniikka, C-ohjelmointi, tietojärjestelmäarkkitehtuuri

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Tietoa työnantajasta:
( 0 arvostelua ) Domnesti, Romania

Projektin tunnus: #21433583

17 freelanceria on tarjonnut keskimäärin 580$ tähän työhön


Hi Sir, We have read your project briefly. We are expert in Telemetry projects and we are IOT specialists. lets check our profile first and then talk to us. We are professional engineers and developers who do such Lisää

$400 USD 7 päivässä
(51 arvostelua)

HI there I am an electrical engineer with 8+ years of experience. I have worked on arduino and sim800 module. I have read you specifications and i can provide the functionalities in the firmware. Let me know if you are Lisää

$750 USD 18 päivässä
(34 arvostelua)

Buna, For this budget I can only make a program to read out DEX Audit data. Please note that MDB using quite another physical layer, it can't just connect it to RS-232, also it has special 9th bit handling, so UART s Lisää

$2000 USD 30 päivässä
(5 arvostelua)

I can build such device to operate the vending machine by using Arduino UNO/MEGA board and SIM 800 GSM module and others required hardware. I have taken maximum time for testing and debugging the system. I need the spe Lisää

$500 USD 60 päivässä
(15 arvostelua)

Hello! I will make this for you. Kindly discuss about it for the same. I will make the pcb design and code as needed by you. Please visit my portfolio for the same. We have All SIM 800, SIM900, Quectel and others for y Lisää

$450 USD 7 päivässä
(30 arvostelua)

Salut Cred ca am toate piesele necesare ... asadar iti voi oferi o solutie testata. Te invit sa continuam discutia pe caht-ul freelancer.... Multumesc.

$600 USD 30 päivässä
(7 arvostelua)

Hi I have done similar juice vending machine with pic18f micro and SIM 800 gprs module sending .CSV file to server using FTP and data viewed in Zoho analytics in below link. Relevant Skills and Experience I can develo Lisää

$500 USD 40 päivässä
(8 arvostelua)

Hello, i have read the details provided..please contact me to discuss more on the project deadline and some other few things

$450 USD 7 päivässä
(20 arvostelua)

Hi Sir! I am student of MSc MEchatronics and Control Engineering. I have done BSc Electrical Engineering. I am very expert in Arduino included its all module.I read your description carefully. i am 100% confident that Lisää

$500 USD 7 päivässä
(6 arvostelua)

Hi,sir, I'm sure that I can be a excellent candidate for your project. Please contact me, so that we can discuss more over chat. I value my credits from clients. Thank you for your reading. I have worked for a long ti Lisää

$500 USD 3 päivässä
(3 arvostelua)

Hello, I have realized successful projects similaire to that one. Data logging, GSM communication with distance server, and Data storage in offline mode. I agree with your conditions, release milestone only after the p Lisää

$400 USD 7 päivässä
(8 arvostelua)

Dear Client. I have read your description carefully. I am an excellent Web developer who have rich experiences for 6+ years. I am full stack & full time developer. I am very interested in your project and hope to wor Lisää

$450 USD 10 päivässä
(1 arvostelu)

After three years of embedded development, microcontroller-related research and development of this area is also my relatively good. Two years of Python research One year's raspberry pie, Self-taught mqtt development T Lisää

$500 USD 4 päivässä
(1 arvostelu)

Hi, I have been developing robotics and embedded based projects for past 4 years and I am currently developing a robotic arm based scanner for a company in Bangalore. I have worked on micro controller such as arduino Lisää

$455 USD 7 päivässä
(0 arvostelua)

Hi Good News for you, we have ready prototype for the same as per your requirement. Contact me as soon as possible. we also provide you the low cost manufacturing for further production. We are the team of exper Lisää

$500 USD 7 päivässä
(0 arvostelua)

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned I have che Lisää

$450 USD 7 päivässä
(0 arvostelua)

Dear, I would like to help you on this project. I have worked on similar project before, we can discus and yourself will evaluate my competences. Kind Regards

$450 USD 12 päivässä
(0 arvostelua)