Hardware design modification and firmware update

This project is to update physical connection points on the PCB and modify existing hardware and code to allow for a small amount of data communications to a chosen international 2G GSM network for reporting to an existing cloud server database. Modem is your choice based on Best Practices.


For hardware: Analog electronics, Digital electronics, PCB layout, Altium Designer.

For firmware: C programming, STM8, IAR, MQTT.

For database: MySQL.

Full release of previous electrical engineer's schematics, code, and documentation will be made to the chosen candidate. Previous engineer in Russia (English/Russian language) will cooperate to answer questions about his previous work to provide a seamless transition to a new engineer or engineer team.

Work to be completed 90 days from award.

Candidates with work samples and references will be favored during consideration for awarding this project.

Квалификация: Программирование на С, Firmware, Микроконтроллер, MySQL, Разводка печатной платы

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О работодателе:
( 37 отзыв(-а, -ов) ) Auburn, United States

ID проекта: #19760910



Thanks for sharing your project. As I'm a Senior Embedded System engineer, I have rich experiences in many embedded systems development, IOT(Internet of Things), and home automation programming over 8+ years. Больше

$800 USD за 45 дней(-я)
(34 отзывов(-а))

44 фрилансеров(-а) в среднем готовы выполнить эту работу за $318


Hi I am experienced electronics engineer with more than 9 years of experience. i can do it for you. please share the previous design files. I am waiting for your reply to discuss it further Regards

$235 USD за 30 дней(-я)
(188 отзывов(-а))

Hello, I'm an electrical engineer with 8 years of experience in circuit design, PCB layout and firmware programming. I read yoru project description carefully and checked attached schematic. This project really fits fo Больше

$1200 USD за 30 дней(-я)
(17 отзывов(-а))

Dear Sir. How do you do? I have seen your description very carefully and posting to you my idea. you can see my many work history from my profle. If you give me a chance to interview, I'll explain in more detail and Больше

$500 USD за 3 дней(-я)
(31 отзывов(-а))

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 Больше

$200 USD за 10 дней(-я)
(31 отзывов(-а))

Hello How are you I have read your job description in detail . I am Xu please see example It is a piece of cake Please contact me and Let's discuss more thanks for your posting . hope to hear from you .

$140 USD за 7 дней(-я)
(63 отзывов(-а))

Hi Sir, We have read your project and we are expert in it. we can offer you our skills on stm32 and stm8 and can do this project for you from all aspects. Please check our profile and come back to us. thanks. Больше

$250 USD за 3 дней(-я)
(35 отзывов(-а))

Hi, I am a professional electronic engineer. I have good experience with circuit and PCB layout design and you will see about this from my profile/portfolio. I think that my professional knowledge and experience will p Больше

$250 USD за 5 дней(-я)
(23 отзывов(-а))

Hello, I have gone through your job posting and become very much interested to work with you. I am an expert in this field. I have already completed several projects like this. For evidence you can see my profile. Больше

$250 USD за 4 дней(-я)
(25 отзывов(-а))

Hi, I am an Electronics and computer science engineer ..being more experienced with 2G, I would strongly advise you to not use as networks are giving up on it ... have one question before going forward with this: you Больше

$140 USD за 7 дней(-я)
(8 отзывов(-а))

Hello! I am very interested in your post project. I am sure i can provide you perfect result as you want since i have rich experience on it. Actually, my slogan is "Time is Money". so i will do my best for your pro Больше

$155 USD за 3 дней(-я)
(8 отзывов(-а))

hello i am a computer engineer,i have masters in computer engineering,i have experience for more than 8 years in arduino and electronics,i have implemented a solution like this for one of the customers here

$250 USD за 3 дней(-я)
(16 отзывов(-а))

Python I am expert in Python and recently created Maze Game in [login to view URL] implimented google captcha on this [login to view URL] in good in matplotlib or other data visualization .ALso create complex [login to view URL] check pr Больше

$140 USD за 7 дней(-я)
(13 отзывов(-а))

Hi there, We will try to complete the work in 90 days from award. We are a professional team in Embedded system having hands on experience in PCB layout design using various CAD tools. Also we do work in STM MCU. We Больше

$500 USD за 30 дней(-я)
(6 отзывов(-а))

Hi, I am interested in your project. I have also hands-on experience with a similar project like yours (a low-power, smart device with silicon labs EFM8 MCU and Quectel M95 modem) Please send me a message so we c Больше

$250 USD за 10 дней(-я)
(7 отзывов(-а))

Hi, I am a new freelancer, but I am an experienced embedded systems engineer. STM32 is used in my old project. I can design both hardware and software. you can find my old projects from my portfolio, and find some Больше

$250 USD за 90 дней(-я)
(1 отзыв)

I have firmware/hardware/system integration proficiency along with 10 years experience in the embedded world. I can modify the schematics in Altium/Eagle and work on the firmware using the desired IDE/Compiler to ac Больше

$250 USD за 15 дней(-я)
(5 отзывов(-а))

I'm a software/hardware engineer with 10+ years experience and high skills. - Visual Studio for Windows/Mac OS, C#, .NET, XAML, C/C++ - Xcode, Objective-C, Swift for iPhone/iPad app development - Android Studio, Java Больше

$250 USD за 7 дней(-я)
(8 отзывов(-а))

Hi Dear, I read your job description thoroughly. Your explanation was very good. I appreciate the way you have explain requirements. This project exactly match with my expertise. I am happy to say, I can do your this I Больше

$350 USD за 7 дней(-я)
(6 отзывов(-а))

Hello Sir I have industrial experience on altium designer, stm8/32 series microcontrollers. I prefer C language with IAR or KEIL IDE. Waiting for your reply thanks.

$277 USD за 30 дней(-я)
(4 отзывов(-а))

Hello! Nice to meet you. I am available to you task. Hope to hear from you soon. if you want see what i do , i will provide u anytime. Thanks!

$222 USD за 7 дней(-я)
(8 отзывов(-а))