u/artisio

So Ive got a really mundane gate lock, just two blocks with another in between to stop the gate from opening. Works great, but I have to go around the gate to move the block by hand to open/close the thing. I'm trying to think of a way to do it remotely, so I don't have to go back and forth all the time. I think a simple pulley and counterweight situation will be easiest, but I don't know how I will drop the weight remotely. Ive been looking at smart switches on amazon, but I don't think they will have enough push to move anything substantial. I only have to move the block about a foot upward, and the most important bit is that I don't want other people to be able to do it. I'm open to other ideas too if people have some, any advice?