Month: December 2011

DIY Contact Mic – Collin’s Lab

DIY Contact Mic – Collin’s Lab

It’s amazing what a little disk can do … when it’s layered with piezoelectric crystals. Piezo disks are impressively sensitive to vibration and can easily be adapted to work as a contact microphones. The trick is the preamp – a basic circuit used to match the piezo’s signal to levels compatible with modern audio gear inputs. The resulting piezo/preamp combo can be used for electrifying an acoustic guitar or simply exploring the lesser-heard world of small sound around us.

Collapsable iPhone Camera Handle

Collapsable iPhone Camera Handle

Almost every time I attempt to shoot video with a handset I end up inadvertently covering up the microphone or lens, which can be a real drag when I go to view it later on. This has led me to develop a rather cumbersome grip that I use when I film something with my phone. This collapsable iPhone Camera Handle from Chris over at TheNewHobbiest seems like the perfect remedy for this situation