How To: Build a laser tripwire that can trigger anything out of a photoresistor

Build a laser tripwire that can trigger anything out of a photoresistor

This video, incredibly short for it's massive content, will teach you how to make a laser tripwire that, combined with a photoresistor, can trigger just about any device. You can make traps, alarms, awesome party decorations, and all sorts of other awesome things with this easy-to-make device, provided you have a soldering iron and a local electronics store to buy some parts.

Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.

1 Comment

jajajaja!
Loved the ending

Share Your Thoughts

  • Hot
  • Latest