Smart Lock System for Locker cabinet to be opened by Mobile APP

A project is to develop an APP operated automated refrigerator which has a smart lock and weighing sensors for 5 shelves.

The idea is user will use his APP ( iOS and Android) to open the refrigerator lock by scanning QR code on the door.

The scope of work is to complete the electronic hardware programming and integration and should be able to demonstrate its functionalities with iOS and Android APP.

Mobile APP should have possibility to implement user registration

User wallet will be charged based on input from Rasberry Pi, the raspberry pi will inform a database that at particular shelf weighs is reduced by XX grams which means the user has picked up YY product and it should be updated in Database and hence to User APP. More details will be given after first two milestones are completed.

Milestone 1:

1. Use of Raspberry PI recent version

2. Use of smart Lock

3. Use of 5 weighing sensors (load cell) 10 kg weighing capacity with less than 50 grams accuracy.

4. Enclosure box for Rasberry Pi,

5. Sensors should work in 0 deg to 8 deg environment

6. Project should consider the following hardware to be used:

Refer Alibaba Website for those boughtouts and technical details

1. KERONG Smart storage Locker pcb control board for lock Model KR-CU

2. KERONG TCP/IP Centralized Control Board For Vending Machine Express Delivery Lockers Lock Control System Model


3. KERONG Automatic Closing Electronic Fridge Locker Lock model


MileStone 2:

1. Programming of raspberry pi

2. Getting circuit done

3. Integration of 5 load cell, smart lock,

4. Integration of Description of KR-CU see attached document.

4. Integration with Web APP /Server iOS, Android.

Milestone 3:

1. Development of iOS APP

2. Development of Android APP

3. Development of cross-platform APP

4. Server/cloud service to be used for the database.

5. The user will scan the QR code at the refrigerator door and then open the door.

Skills: Electronics, Wireless Sensors, Bluetooth, Raspberry Pi

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About the Employer:
( 1 review ) Aalborg, Denmark

Project ID: #22344132

15 freelancers are bidding on average €501 for this job


Hi I am expert electronics engineer with more than 11 years of experience. I can take on this project and can help with all three milestones. Please get in touch if interested in working with me Regards

€140 EUR in 7 days
(193 Reviews)

Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working p More

€200 EUR in 15 days
(44 Reviews)

Hi i build apps for Raspberry pi and micro-controllers. I can build both Android and IOS apps for you. Do tell me that the App should be controlled using BLE or classic bluetooth? Send me a message to discuss more ab More

€220 EUR in 7 days
(52 Reviews)

Hello, I am an electronic engineer with more than 6 years of experience in embedded systems development. After reading the project description and having an analysis at your attached JPG file, I decided to apply for y More

€250 EUR in 7 days
(32 Reviews)

Hi, I have 13 years experience in embedded system and firmware development. I have done few IOT projects using arduino,and shared photos of my completed projects done with ESP8266(wifi based).I can also provide you the More

€300 EUR in 30 days
(10 Reviews)

I am specialist in development and interfacing between Android application and arduino board. hardware designing for embedded hardware. software development for embedded hardware. Home automation. Controlling hardware More

€333 EUR in 30 days
(12 Reviews)

Greetings, I'll develop Android IOS apps, program Raspberry and will integrate required circuits in order to meet all three milestones. I am expert fullstack developer with hands on experience on IOT development. I More

€140 EUR in 30 days
(1 Review)

I have read your project carefully. I am very interested in your project. I am a Microelectronics and Automation engineering expert. I have a lot of experience on ARM, FPGA, DSP, Arduino, Raspberry, PLC, PIC, ATMega an More

€300 EUR in 7 days
(3 Reviews)

Hello Please reach me out, I have already done this type of solution. Hope to see your soon. Sincerely, Bhavin

€2222 EUR in 30 days
(2 Reviews)

Hello! I am the right choice for this project. I have my own team of engineers and we are formerly named as “ACADEMICSASSISTANT”. We did a very similar project before and we can share video with you also. For your proj More

€2500 EUR in 25 days
(4 Reviews)

Hello, I read the full job description and would like to show my interest into this project. I am expert in development of RASPBERRY-PI, ESP, ARDUINO and have 3+ years experience in IoT. I already worked on similar pr More

€250 EUR in 7 days
(2 Reviews)

Hello respected employer, I have read your description carefully and already worked on same kind of projects. Please check my profile and YouTube link for the same. I am new to FL but have a 11 years of experience in c More

€130 EUR in 2 days
(1 Review)

Hello! I am a Mechatronic Engineer, I have experience working with different microcontrollers like Arduino and RPI, sensors and PCB designs. I have read your description and I think it matches my expertise. I would lik More

€130 EUR in 4 days
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Hi there, we are a team of titanium certified developers. we excel in 2D and 3D animations. please leave a message on my chat so we can discuss the budget and deadline of the project. Also, have a look at my profile f More

€250 EUR in 5 days
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Hi, I'm Luciano Ramírez, I'm an Electronic Engineer and Senior Programming Technician with extensive experience in project development. Relevant Skills and Experience Although I am a new Freelancer, I have great exper More

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