DIY low cost PLC using Atmega328P + 24VDC support + RS485 Modbus + HMI

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Hello, friends! In this video, I’ll show you how to build an incredibly low-cost and affordable PLC (Programmable Logic Controller) using the popular ATmega328P microcontroller.

This PLC features digital inputs and outputs, analog inputs (0-10V), and analog outputs (0-10V). It also supports communication protocols like RS232 and RS485 for seamless integration with various devices.

I’ve connected a DWIN HMI over RS232 to this PLC, and a VFD over RS485 to control a 3-phase induction motor directly from the HMI.
Highly customizable PLC module tailored to meet the specific needs of your projects.

Whether you’re working on packaging machines, filling machines, molding machines, or any other industrial automation project, this affordable PLC and HMI setup offers a cost-effective solution for machine manufacturers.

Don’t miss out—watch the video to see how you can build your own PLC and streamline your automation processes!

Programming software for this PLC
Arduino IDE
Platform IO
Atmel studio
any ARM ide

PLC Schematic and PCB editable (EasyEDA) file available at
https://electricdiylab.com/low-cost-a...



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** This video is made for educational purposes only. Please use your own judgment, knowledge, care, and precaution if you plan to replicate. **