Here are some details about the hardware design of my babyphone project. Case reuse One of the project goal was to reuse as much of the original speakerphone case as possible, including the power switch, volume control potentiometer, front leds and keyboard. I though that as the box already contained amplifiers circuits for the speaker [...]
Entries Tagged as 'wavplayer'
January 25th, 2012 · No Comments · Uncategorized
June 29th, 2010 · 17 Comments · Uncategorized
[Update Jan 6th, 2011 / An error in the capacitor unit (pF instead of nF) has been fixed in the schematics] Long overdue post in my USB WAV player implementation series. Let’s go ! General architecture Here are the main software building blocks of the application: The left side is the USB Mass Storage implementation [...]