The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

Dear James: We need more security that just the three floodlights we now have. I thought about getting some motion-sensing ones. How difficult is it to install these new lights myself? -- Elaine H.

The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Whether lighting up the route to the loo in the middle of the ...