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Add Modbus support to an ESP32 device, using Arduino

We have an ESP32 based communication device that has been designed with:

1. USB 2 RS232 converter for connectivity and software update

2. RS485 driver on a serial port, for Modbus communication

3. CAN driver

4. Frequency counter input (already designed)

5. MQTT support is aldready implemented in the software

6. An OLED display for debugging and status updates

We need to add Modbus support to this device, where the software must be preparred to inteface to 3 different types of appliances over Modbus.

Data recorded from these devices must be reported to our portal software using MQTT.

There are a number of additional features and request defined in the attached document.

If this project is successfull we are looking for additional functionality to be implemented as dedicated proejct, following this design.

Kĩ năng: Arduino, Vi điều khiển, Điện tử, Lập trình C, Phần mềm cài sẵn

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Về Bên Thuê:
( 1 Nhận xét ) Hoejslev, Denmark

ID dự án: #22782323

50 freelancer đang chào giá trung bình €3178 cho công việc này

chandra2sekhar

Hello sir, Myself [login to view URL] Sekhar,[login to view URL], phd in Electronics from cdeec Innovations,India. We have 15+ years experience designing and developing electronic products. We have in house pcb fabrication facility for pr Thêm

€1500 EUR trong 7 ngày
(50 Nhận xét)
7.7
DreamCha

Thanks for sharing your project. I'm fully read the description, so that, I'm very interested to this project. As I'm a Senior Embedded System engineer, have more than 15 years of experience in embedded system desi Thêm

€1200 EUR trong 7 ngày
(44 Nhận xét)
7.0
ahmad5857

Hi Sir, We have already designed some great smart metering solutions in the past. Lets talk to us on this project. We are professional engineers and developers who do such projects from the last 11 years. We offer y Thêm

€1100 EUR trong 7 ngày
(51 Nhận xét)
6.7
jokanies

Hi, I have rich experiences with micro controller firmware development for 7 years. I am familiar with Arduino, ESP, NRF, stm32 and Raspberry pi, so I have many development modules. Especially I have experiences with M Thêm

€1500 EUR trong 10 ngày
(4 Nhận xét)
6.2
maqtech

Hi, I'm an embedded systems engineer with 10 years of experience in this field, I have already built a successful projects in Sweden, USA and other countries, my last project was an electrical charger system using modb Thêm

€1500 EUR trong 7 ngày
(1 Nhận xét)
5.5
(8 Nhận xét)
5.4
acarloss

Hi, I have experience for 15+ years in electronics/embedded development. I have worked with ESP8266 and ESP32 wifi modules in the Arduino IDE/toolchain for several projects. I implemented some while ago a project si Thêm

€1100 EUR trong 10 ngày
(26 Nhận xét)
5.5
smartman7102

Dear Client Nice to meet you. Dear client, Nice to meet you. I have been working as a firmware and hardware designer for 10+ years. I have developed similar project than yours. First I have many experience in CAN, RS Thêm

€1125 EUR trong 15 ngày
(13 Nhận xét)
5.5
ranganathp

FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am an ESP Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past p Thêm

€1125 EUR trong 7 ngày
(15 Nhận xét)
5.2
goharriz

Hi Mogens B. I'm interested but I have a some questions: What is the exact model of the OLED? Do you have more info/datasheets for the heat meter, power meter and the pump? Do you have a link to your current code to ta Thêm

€975 EUR trong 20 ngày
(27 Nhận xét)
5.4
JinTai

Hi, I have read your requirement and understood that you are looking for Embedded Developer. I am specialist in Embedded Development, having 9+years of experience. I already built many projects on Designing, Software D Thêm

€1350 EUR trong 16 ngày
(3 Nhận xét)
4.8
chomsengdev

Hello, How are you? I have read your project description and I am interested in your project. I have wide experience in C/C++, C#, and Python programming as well as microcontrollers. Especially, I completed many ar Thêm

€1000 EUR trong 7 ngày
(8 Nhận xét)
5.0
ganeshkumarsw

Hello, I have a good amount exposure to esp32 based application development. I am located in Germany. In the past I had developed a OBD2 II WiFi to CAN dongle based on this platform with features of webserver runnin Thêm

€1333 EUR trong 15 ngày
(20 Nhận xét)
5.4
Mestek

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 can make to u the required design with the mentioned specs that u have mention Thêm

€1000 EUR trong 7 ngày
(30 Nhận xét)
5.1
blascoburguillos

As reference product I developed www.ecobloom.se. I designed the solution architecture, firmware, MQTT integration as well as electronics. I'm experience with the ESP32, FreeRTOS and the Modbus protocol. Send me a mess Thêm

€2250 EUR trong 20 ngày
(9 Nhận xét)
5.1
jitendracf

Hi, I have more than 8 years of experience in embedded system design and development. I have expertise in IoT product development based on WiFi,BLE,GSM,LTE,GPS,RF,Zigbee etc. I have great experience in firmware develop Thêm

€2000 EUR trong 40 ngày
(10 Nhận xét)
4.7
harisjamal1995

Hello Sir I am a mechatronics engineer and I have a lot of experience dealing with these things. I will definitely deliver your work on time and I will be pleased to do your job in a reasonable [login to view URL] you

€750 EUR trong 10 ngày
(12 Nhận xét)
4.0
sivom

Hi, I have experience in arduino programing ESP32 using freeRTOS. I have also worked in energy meter projects using RS485 mod bus. I can join your team and work with you to get the work completed as you have mentioned Thêm

€1000 EUR trong 40 ngày
(9 Nhận xét)
3.8
avigupta0061

Dear Client, I can do it for you as I have more than 5 years of experience in doing all types of circuit design and PCB Design. Following is the expertise that I am carrying: 1. RF PCB Layout 2. High Speed Design La Thêm

€1000 EUR trong 2 ngày
(5 Nhận xét)
3.8
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 Thêm

€1000 EUR trong 10 ngày
(7 Nhận xét)
4.0