Let's Make Robots!

extracting sound..

or atleast triggering it? i gutted one of those birthday cards with the sound device in it because i thought it'd be a good thing to learn to get the sound out of them. but with no help from google im stuck.



Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.

If you want to activate one of those mecanisms via a processor then you'll need to either use a relay to do the equivalent of pressing a button.

Another possibility is to link the ground of both you processor and the card chip. Then with a 4K7 resistor in series you could probably connect an output directly to the card but without seeing the circuit from the card up close I can't give you more accurate instructions. 

Post a photo or 2 of the circuit you pulled from the card and the battery it runs on. Is it a 3V battery?