I’ve started work on a spectrum analyzer built around the MSGEQ7. A spectrum analyzer measures the magnitude of an input signal versus frequency. – Wikipedia In this case the MSGEQ7 will be measuring an audio signal, cutting it up into 7 frequency bands (lows/mids/highs/etc.). The data will be read by an arduino and displayed on a series…
Monthly Archives: June 2012
Hacking a Swing
The newest member of my family has become quite attached to swinging. The problem was that the swing was battery powered. I was reasonably surprised at how long the batteries lasted–nearly a month of every day use. Still, when they finally expired, I was reluctant to make another purchase. So instead, I embarked on a project…