Coolant Hose Lamp

After a recent workbench redesign I built an articulating lamp that I could position anywhere on the work surface.

Steenbeck With Synced Digital Audio

In 2015 there are still people who love the tactility of editing 16mm film by hand. Here’s how to sync digital audio to a Steenbeck flatbed editor.

Improving the Sparkfun MP3 Trigger

The inexpensive MP3 Trigger from Sparkfun does basically everything that “industrial MP3 players” can do. Unfortunately it has some rather annoying flaws. Here are my remedies.

Hydrophone Experiments

An underwater microphone using a common mic capsule and silicone sealant. It has relatively flat frequency response without the resonant “honk” of the piezo disc used in most DIY hydrophones.

Alex Rice Piezo Preamplifier

Alex Rice designed a phantom-powered preamplifier for piezo contact mics and hydrophones. It sounds great but his site is offline. I posted his files and made some changes of my own.