I selected: LilypadArduino Arduino software just doesn't seem to work with it. I recently purchased a LilyPad Arduino, ATmega328P off ebay. Device was recognized and I was able to create a few sketches and run them. Mach3 is customizable and has been used for many applications with numerous types of hardware. While comprising many advanced features, it is the most intuitive CNC control software available. I'm using Windows 7 64 bit, Arduino software boots up. Mach3 works on most Windows PC’s to control the motion of motors (stepper & servo) by processing G-Code. + Download S5/S7 for Windows PLC Siemens Software. I purchased a Velleman Arduino UNO, installed Arduino software.

> Link Download Software (Mediafire Link) + 10 : Paste into the software installation directory + 8 : Select Finish when the software installation is complete + 7 : Select Install to start the software installation + 4 : Select I accept the terms in the license agreement and click Next + 3 : Click Next to continue the installation + 2 : Run the file S57W733Setup and select the language Free arduino uno 1.8.5 download software at UpdateStar - Arduino is a physical computing platform based ona simple micrcontroller board and a developmentenvironment that implements the processinglanguage. + Step 1 : Download and extract the S5 / S7 software

Software installation video (Download link below the article).

The software is very light and fully functional and programming like Siemens Step7 should be a perfect replacement for Step7, the installation process takes only a few minutes. The S5 / S7 for Windows programming software used to program Siemens PLCs supports most current versions of Windows such as Windows XP, Windows 7, Windows 8, Windows 10.

Arduino 1.8.5 windows 7 64bit simulator