I modified the inverter from a T-qualizer shirt to respond to the audio signal from my mp3 player instead of sound and used the inverter to drive electroluminescent wire attached to my headphones. The inverter lights up different colors of EL wire depending on the loudness of the music I’m listening to. The headphone decoration looks like a signal level meter.
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — The Essential Guide to Electronics in Shenzhen
Wearables — Lithium Batteries: a soft touch goes a long way
Electronics — Capacitor Polarity Markers
Biohacking — Can Gizmos Cure Insomnia? – The New Yorker
No comments yet.
Sorry, the comment form is closed at this time.