I want to read device data using modbus (RS485) communication through raspberry pi.
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hi you must sure that is /dev/ttyAMA0 is free to use by disable bluetooth in /boot/config .txt and sure it is not use for kernel messages from /boot/[login to view URL]
Hi Is the program to be done in Python or C Do you have the command IDs of the modbus slave device. Only the programming or the the rs485 shield also to be developed Regards Senthil Chennai
Hello, I already have all electronic pieces(parts list) ... so I will give you one tested solution I invite you to continue discuss on freelancer's chat Thanks
I have made projects like this and have prior experience in the modules which are to be used in the projects. I will complete this project on time as said. So please provide us with this project.
hello sir i've working with raspberry pi for quite a time and i can do this work for you, ping me in inbox so we can talk about details. kind regards shubham
I have vast expierence in working with various controller and processors my previous project include making of energy meters with MODBUS protocol for data collection.