3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Learn more & Get Tips

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

Learn more & Get Tips

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

Learn more & Get Tips

homemade hydrophone

homemade hydrophone

This is a simple hydrophone i made using the earbud technique as the microphone. I then put a section of a rubberglove around it so it is water-proof.

1 comment

Mar 18, 2010. 4:11 PMagis68 says:

nice idea for the marine biologists and hobbyist and gossip fishermen too. But you test is in surface? if I put some weight to get it down maybe then you can hear what mermaid says to octopus about you :)

43
Followers

Author:

Robot Lover (My project blog)

I love making things. I always found electronics and stuff like that fun. When I was little I always took apart my toys and put them back together. I thank God for giving me my gift of my creativity a...