Änderungen

[[Benutzer:LeandraChristine|LeandraChristine]] needed a small solution for sound in a project. Since I was designing lots of PCB’s anyway I decided to also realize this one.Another requirement was fast responsive. The [[SimpleSDAudio]]-library from [[Benutzer:Tut|Tut]] provides just that. [[Benutzer:Tut|Tut]] helped quite a lot with the circuit design in this project.

* Atmega328* MAX9098306 3.7W stereo Class D amplifier* SN74LVC2G14 dual Schmitt-Trigger with its own low noise power supply* microSD-Card Slot* 74LVC1G53DP Analog Switch, to set the gain of the Class D amplifier (3 levels)