DIY hydrophone

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

By John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

Article Featured Image
21-hydrophone.jpg

This clever hydrophone project involves rewiring ordinary earbuds with condenser microphone capsules and filling the earbud casings with silicone, [Thanks, Pete!]