Radio control switch from junk

This is a great way to recycle those old cordless phones into something really useful and in only 5 relatively easy steps.

Here we are going to make a simple radio controlled device using supplies from your local dumpster. This project should cost less than a dollar to make. If you spend more than a dollar on this project, you need to dig more.

How to make a radio control switch – Link

Related Link:

How to make a wireless switch – Link