About the article

Talking doorbell

Based on a Labs project | October 2011 | Find it here
Talking doorbell
We recently came across an interesting lC which makes digital recording and playback of short messages and other sounds easier than we ever thought possible, and cheaper, too! The talking doorbell described here is a project which is fun to build and use for beginners and more experienced constructors alike.
Downloading of this magazine article is reserved for registered users only.
Login | Register now!
Loading comments...