Write code for ESP8266/Arduino to read data from a MODBUS device

Hi everyone,

Today we are looking for someone to write a piece of code for ESP8266/ESP32/Arduino that will be able to read data from a MODBUS device through a RS485 module. We are using a TTL to RS485 module with an ESP8266 and we want to read the temperature from a fridge that has a RS485 port.

We have already tried different things and they didn't work, so we're hoping someone could help us out.

We'll share the code we've used so far and the documentation from the sensor and we'd like to either correct us or write your own code and or hardware that would work in this situation.

If you can help us, please do reach out and we'll make sure we add something extra to our deal once we test your code and it works in our setup.

Thank you in advance.

Kemahiran: Arduino, Elektronik, Mikropengawal, Kejuruteraan Elektrik

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Tentang Majikan:
( 2 ulasan ) Guildford, United Kingdom

ID Projek: #29906398

Dianugerahkan kepada:


Hello, I have done some projects of reading from modbus devices, Could you please send me the datasheet and the code you have written, so that I can cross check the programming you have attempted. Please come over to c Lagi

€50 EUR dalam 4 hari
(6 Ulasan)

13 pekerja bebas membida secara purata €51 untuk pekerjaan ini

(135 Ulasan)

hello dear project owner i am an electronic Engineer with experience in Embedded System Designing and Pcb Designing i have done similar work before i have interfaced rs485 devices with microcontrollers i can do this in Lagi

€56 EUR dalam sehari
(13 Ulasan)

Hi I have 5 years of experience of programming esp8266. For modbus, I have done industrial projects that includes modbus programming. can I have a look on your devices modbus manual for more. elaboration of my strategy Lagi

€50 EUR dalam 2 hari
(17 Ulasan)

Hi sir, I have already worked in similar project and attached the demo of that work. Kindly go through the link sir. [login to view URL] If the above d Lagi

€25 EUR dalam 5 hari
(6 Ulasan)

Hello I have very high skill with Arduino. I have read your job description already. Please contact me. Thanks

€30 EUR dalam 7 hari
(8 Ulasan)

Hi, Hope you are doing well. I have read the project description and my skill set can be of great help to you as i am not just a hobbyist but a qualified professional mechatronics engineer expert in embedded systems de Lagi

€50 EUR dalam 7 hari
(5 Ulasan)

Hello sir, I have the software,hardware and experience to develop a clean, functional and 100% satisfactory solution for you, Industrial communication protocols are my speciallity, and modbus is not the exception, pela Lagi

€240 EUR dalam 5 hari
(2 Ulasan)

Hello, when viewing your job details, it’s really jumped out at me. I will make sure you will get the best service you deserve, you can check my previous clients' feedback on the service I have provided to them here: Lagi

€34 EUR dalam 5 hari
(1 Ulasan)

Hello, I have worked with similar process where I have integrated arduino using rs232 and a battery for knowing different parameters like temp,resistor value ,volatge etc. I think I have grab and knowledge base for you Lagi

€12 EUR dalam 7 hari
(1 Ulasan)

Hi! I hope you are doing good today. I just saw the job you posted here on Freelancer that you are looking for someone to connect your RS485 to ESP8266. I can do the job right having the relevant experience in the same Lagi

€30 EUR dalam 2 hari
(0 Ulasan)

I do have a working experience with arduino and all most commonly used protocols I2C I2s and spi can try this out as well but you just have to cover for modbus module I have the rest of the things with me.

€19 EUR dalam 7 hari
(0 Ulasan)

I am an experienced software engineer who had successfully completed many projects on Arduino. I see this project very interesting and I would like to give my offer for the same. As understood from your specification Lagi

€51 EUR dalam 10 hari
(0 Ulasan)