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ESP32 GPRS and SDCard

I need to integrate in ESP32 : GPRS, Clock and SDCard.

ESP32 & GPRS SIM800L:

[login to view URL]

SDCARD & Clock:

[login to view URL]

BME280:

[login to view URL]

After each measurement of BME280 (temperature, humidity and presure), data will be saved in SDCard. After that will send the data by TCP/IP, wait (max some seconds) for server request and go to sleep (hybernate) for some time (seconds for test).

Data saved in file will be with next header:

Date time temperature humidity pressure

2019/11/08 12:32:40 -12.34 87.65 689.58

Each file will have maximum 500k weight. When reach this weight, rename it and create another one.

If TCP/IP connection is down, message must be saved in a specific file and resend when connection will return.

I need to know if you will do the development in Linux or Windows, using Arduino or another one.

Skills: C Programming, Microcontroller, Firmware, Arduino

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About the Employer:
( 0 reviews ) Valladolid, Spain

Project ID: #22220855

Awarded to:

pavanshah2001

Hi, I'm an embedded systems design engineer from India. I have exprience in similar firmware design using esp32 and sim800l with sd card and sensors. I will be using windows and arduino for this development. let us dic More

€120 EUR in 15 days
(13 Reviews)
5.0

21 freelancers are bidding on average €155 for this job

liveexperts123

Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the More

€190 EUR in 5 days
(99 Reviews)
7.5
xiaoqideng

Hi, how are you? Thanks for your project. I've read your description carefully, and I'm very interested in your job. I have been developing many firmwares using esp32. Especially I have necessary components. Please hav More

€250 EUR in 2 days
(51 Reviews)
6.7
Muhammadaqibdutt

Hi, I am interested in it. I have done projects like this before. Send me a message to discuss more about it. You can see my projects on [login to view URL] (That's my website) [login to view URL] More

€190 EUR in 7 days
(19 Reviews)
5.3
Manoj3050

Hi, I am an electronic engineer with more than 6 years of experince in embedded systems development specially based on ESP32 , ESP8266 and Arduino based systems. I read your project descrition carefully and I underse More

€150 EUR in 10 days
(27 Reviews)
5.1
vtlabs

Hi My name is Vusi and I'm an Electronic Engineer with over 4 years experience developing ESP32 embedded applications. You can learn more about me from my freelancer profile.

€150 EUR in 3 days
(22 Reviews)
5.6
sahanwa23

Hi, My qualifications and details are given below... -> MEng. Electrical and Electronics Engineer -> More than 4 years of industrial experience -> IEESL certified engineer -> MIT certification -> MBCS Regarding you More

€120 EUR in 7 days
(15 Reviews)
4.1
ayesha0124

Hi there,. I have checked the details, I have rich experience with Arduino, C Programming, Firmware, Microcontroller. Please initiate the chat so that we can discuss in detail.I am new to freelancer.com but I assure y More

€135 EUR in 5 days
(3 Reviews)
4.1
Kingstech35

Hello, thank you for your job posting. I am a senior device developer. I have plenty of experience in firmware development and micro-controller developments. I can write the firmware based on Arduino, Raspberry Pi, Pic More

€200 EUR in 4 days
(10 Reviews)
4.1
harisjamal1995

Hello Sir I am a Mechatronics engineer and I have a lot of experience dealing with these things. I have done many similar projects. I will definitely deliver your work on time and I will be pleased to do your project i More

€90 EUR in 5 days
(6 Reviews)
3.6
george19921014

Hello! Nice to meet you! 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, Raspb More

€150 EUR in 7 days
(7 Reviews)
3.9
danish2051

I am an Electronic Engineer and I will help you in making Arduino projects. I will provide you Arduino code and its simulation to see the output and kill all the worries. I have a great amount of interest in controlle More

€166 EUR in 5 days
(8 Reviews)
3.4
bisuhrs16

Firmware Development tool: AVR Studio, Keil Microvision, Arduino, Raspbian, OpenCV, MATLAB, Visual Studio Major programming languages: C, C++, Arduino, Python, HTML

€150 EUR in 7 days
(2 Reviews)
2.8
arsz67332

Hi I have done something similar for my bachelor project and I'm familiar with the process I do it in linux Let's talk about details in chat

€190 EUR in 12 days
(1 Review)
2.0
youcefR000T

hello , I am an electronic engineer , and I did many arduino projects , this project is easy for me since i have the some of the hardware where i can test , don't hesitate to contact me

€120 EUR in 7 days
(1 Review)
1.3
ekaracan

I have previously done wio tracker based app (including server side) which utilizes sd card, gsm & gprs, and some gpio. I did used card “raw”, to improve performance. Contact me for further details. If you want to your More

€222 EUR in 7 days
(1 Review)
0.4
idealEmployee

Hii I've read your post very carefully, I fully understand your concern. I think I'm the right person to do it. I recently made a similar project on ESP32, with RTOS system, With GSM ,GPRS. I just have to change the co More

€120 EUR in 7 days
(0 Reviews)
0.0
akkipoh

hi please watch this vodeo i have done something similer to what you asked for it used eap32, file system, updating data on server with wifi displaying data on screen and without sd card but we can add sd card if need More

€100 EUR in 7 days
(1 Review)
0.1
erdsvirk

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

€170 EUR in 7 days
(0 Reviews)
0.0
countcustoms9

I have built customized data loggers earlier so I can do this work. Deliverables I will provide includes: source code, schematics PCB artwork and Gerber files

€200 EUR in 15 days
(0 Reviews)
0.0
MikeMederson

Hello, I think your project is simple and if you want I'll do that development in Windows, using stm32 microcontrollers

€80 EUR in 20 days
(0 Reviews)
0.0