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Arduino slave and HMI master

i want to connect an arduino slave with an HMI master.

my arduino mega2560 contains a program to measure the current, voltage, real power and energy on each phase of a machine.

i'm using ModBus RS-485 and i will use the MAX-485 chip, but i'm having difficulties to control it via the Arduino.

i want to read values from many arduinos (every one has an address) and all are connected to the HMI via serial communication

example: Assuming we have two arduinos slave and one HMI master. First arduino has register#1 and the second one has register #2. the three currents have three registers: phase1 has register #4000, phase2 has register #4001 and phase3 has register #4002.

- to read the current values from the first arduino, the data frame sent from our HMI must starts with 1 and it's on the following form : 14000 (related to the first current #4000), 14001 (related to the second current which has the register #4001) and 14002 (related to the third current which has the register #4002) to determine which arduino to read from

- to read the current values from the second arduino, the data frame sent from our HMI must starts with 2 and it's on the following form : 24000 (related to the first current #4000), 24001 (related to the second current which has the register #4001) and 24002 (related to the third current which has the register #4002) to determine which arduino to read from etc ....

Kemahiran: Arduino, Elektronik, Mikropengawal, LabVIEW, Kejuruteraan Elektrik

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Tentang Majikan:
( 0 ulasan ) Beirut, Lebanon

ID Projek: #23321985

23 pekerja bebas membida secara purata $147 untuk pekerjaan ini

sagradoamicus

Hi I am experienced electronics engineer with more than 15 years of experience. I would like to discuss more in detail. I have worked on similar project before. Please get in touch if interested in working with me Re Lagi

$140 USD dalam 7 hari
(246 Ulasan)
7.9
mzdesmag

HI, 'I see that you need some assistant in I am expert and having 5 years of experience in simulations using MATLAB and SIMULINK in many fields including Electronics, Communication, Control System, Signal Processing an Lagi

$40 USD dalam 7 hari
(16 Ulasan)
4.8
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 Lagi

$250 USD dalam 3 hari
(15 Ulasan)
4.5
Valuesolutions

Hello, how are you? I hope you have a bright day/evening from your side. I have read the details provided, but please contact me so that we can discuss more on the project. I believe I have the required skills in this Lagi

$250 USD dalam 7 hari
(11 Ulasan)
4.7
MarcoCiau

Hello, I see you need some help with your project. I have experience with Modbus RTU Slave Protocol implementation using Arduino. I have developed an industrial thermostat with Modbus RTU capability. I look forward Lagi

$250 USD dalam 15 hari
(8 Ulasan)
3.9
Faraz281

Hello! I am the right choice for this project. I have my own team of engineers and we are formerly named as “ACADEMICSASSISTANT”. We also did a very similar project before. For your project, we will do everything you n Lagi

$140 USD dalam 7 hari
(5 Ulasan)
3.4
kahan1994

Hi, I am kahan. I am embedded developer and have much experienced in hardware and software side. Waiting further discussion. Thank you.

$140 USD dalam 7 hari
(8 Ulasan)
3.4
hsh564cf84accd96

Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time and budget Able to deliver y Lagi

$30 USD dalam 7 hari
(5 Ulasan)
3.3
Samaji206

I am an Electrical Engineer with a masters degree I have high proficiency in Electrical Engineering, HVAC, LTE system model, Thermal system design, FPGA, Verilog / VHDL, Matlab/ Simulink, Microcontroller, Modeling, op Lagi

$30 USD dalam sehari
(2 Ulasan)
2.4
cesur135

Hello I m expert

$155 USD dalam 3 hari
(1 Ulasan)
2.3
midoosman

NI Certified Labview Developer with 7+ years in Control, Measurements & Robotics fields. I've experience with building complete systems with LabVIEW and used it with wide variety of hardware: - NI Hardware [cRIO, DAQ Lagi

$140 USD dalam 7 hari
(6 Ulasan)
2.2
hemedmechanical

Hello, you better off using LoRa for that LoRa provides wireless connection between two Arduino, so you are going to form a start topology network with it all slave Arduino's connect to one master HMI arduino over wi Lagi

$140 USD dalam sehari
(2 Ulasan)
0.7
arditkaravidaj

Hello, I have great experience using modbus RTU, TCP and other, and have made a lot .NET softwares for master modbus. I have made similar projects using Arduino (ex: Gimbal ) to measure speed, accelerometer, servo posi Lagi

$200 USD dalam 7 hari
(1 Ulasan)
1.0
Sarath129

I have worked with modbus for an energy meter iot system using rasberry pi. I can do it in arduino. I can do the HMI and give you a user display with gauges and charts. Feel free to contact me.

$30 USD dalam sehari
(0 Ulasan)
0.0
gharerohan

Hey, how r you? I am rohan ghare, i read your project i have done same project arduino is connected to hmi and also plc (renu and delta) And but i have done project for one arduino only not two ata time but when you ar Lagi

$166 USD dalam 7 hari
(0 Ulasan)
0.0
fsahmed

Hi, I am an experienced automation and control systems engineer with 15 years of work in industrial process automation, embedded systems and microcontroller system develpment. I am currently consultant for various smal Lagi

$250 USD dalam 7 hari
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0.0
omoboladeolumode

I am a professional Electrical Engineer with a masters degree and I have extensive knowledge in Arduino, FPGA firmware in VHDL and Verilog for Altera/Actel/Xilinx FPGAs and EEG signal, MCU firmware in C/C++ for ARM, TI Lagi

$30 USD dalam sehari
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0.0
Programmer59

Hello Sir, I already have complete this type of project I can show you I am professional Arduino developer with having more than 5 year's experience in this field. I read your project description and I am interested Lagi

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$155 USD dalam 3 hari
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0.0
mhdfr86

I have more than 6 years of experience in Embedded systems, microcontroller, DSP, Embedded C++ and C, Python, Matlab, Altium Designer, and QT C++. I have done a lot of work using serial port, modbus and other methods o Lagi

$250 USD dalam 7 hari
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0.0