Pure Sine Wave Inverter Code Needed [solved]

I need to developed the Pure Sine Wave Inverter and I need the whole code of that in urgent. Please guide me If you can I will be very thankful to you.

Relay Interfacing With Microcontroller using ULN2003A [solved]

Hey dear please guide me about the working and how can I interface relate with ULN2003A module?
Syed Zain Nasir

I am Syed Zain Nasir, the founder of <a href=https://www.TheEngineeringProjects.com/>The Engineering Projects</a> (TEP). I am a programmer since 2009 before that I just search things, make small projects and now I am sharing my knowledge through this platform.I also work as a freelancer and did many projects related to programming and electrical circuitry. <a href=https://plus.google.com/+SyedZainNasir/>My Google Profile+</a>

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Syed Zain Nasir