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.

Step by StepStep-By-Step

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

VideoVideo

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

Underwater Microphone (Hydrophone)

Step 7Done

Done
Now you can test out your hydropne, its not exactly research quality or anything but it does work, you will also want to make some sort of weight to hold it under water as it does want to float.
A key ring with some old keys works great.
« Previous StepDownload PDFView All StepsNext Step »
2 comments
Jun 9, 2009. 12:03 PMbelgvr says:
would be great if you put some example audio of what you have got :D
Jun 8, 2008. 5:57 AMfib3roptix says:
Im making one like yours right now..

Pro

Get More Out of Instructables

Already have an Account?

close

All Steps Viewing
View all steps of an Instructable on the same page when you're a Pro Member.

Upgrade to Pro today!
39
Followers
4
Author:action_owl