진행중

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.

기술: C 프로그래밍, 마이크로콘트롤러, Firmware, Arduino

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고용주 소개:
( 0건의 리뷰 ) Valladolid, Spain

프로젝트 ID: #22220855

수상자:

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 더 보기

€120 EUR (15일 이내)
(13건의 리뷰)
5.0

이 프로젝트의 입찰 현황은 다음과 같습니다. 입찰자: 21명, 평균 입찰가: €155

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 더 보기

€190 EUR (5일 이내)
(99 리뷰)
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 더 보기

€250 EUR (2일 이내)
(51 리뷰)
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] 더 보기

€190 EUR (7일 이내)
(19 리뷰)
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 더 보기

€150 EUR (10일 이내)
(27 리뷰)
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 (3일 이내)
(22 리뷰)
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 더 보기

€120 EUR (7일 이내)
(15 리뷰)
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 더 보기

€135 EUR (5일 이내)
(3 리뷰)
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 더 보기

€200 EUR (4일 이내)
(10 리뷰)
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 더 보기

€90 EUR (5일 이내)
(6 리뷰)
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 더 보기

€150 EUR (7일 이내)
(7 리뷰)
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 더 보기

€166 EUR (5일 이내)
(8 리뷰)
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 (7일 이내)
(2 리뷰)
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 (12일 이내)
(1 리뷰)
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 (7일 이내)
(1 리뷰)
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 더 보기

€222 EUR (7일 이내)
(1 리뷰)
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 더 보기

€120 EUR (7일 이내)
(0 리뷰)
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 더 보기

€100 EUR (7일 이내)
(1 리뷰)
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 더 보기

€170 EUR (7일 이내)
(0 리뷰)
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 (15일 이내)
(0 리뷰)
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 (20일 이내)
(0 리뷰)
0.0