Using arduino nano to control a linear actuator with 5v relay and 12v power supply

[johnerrington]

First we need a schematic

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…

..and data sheet or better still a link to the actual device you intend to use
the relay, the actuator, the power supply