Mega voltage regulator overheating

[groundFungus]

@umersalam123-456

Is it ok to connect all grounds together?

Not just OK, it is required. Ground is the common reference between the parts.

To be sure though, please post a schematic showing all of the parts and power supplies. Hand drawn, photographed and posted is fine if you don't have a CAD program. If you want to try CAD, here is a good start.

How to make a schematic you can post.

When you submit a question on the forum you will usually need to add a schematic (circuit diagram). The tutorial that follows will explain some ways to create a useful image; however lets start by explaining how to add the image to your post. Its easy. Having created the image all you need to do is : Save the image somewhere convenient - maybe your desktop Start your post, and place the cursor (insertion point) where you want the image to be shown; [upload image to forum] 3: click th…