HackFFM-Duino Chime: Unterschied zwischen den Versionen

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== Motivation ==
 
[[Benutzer:LeandraChristine|LeandraChristine]] needed a small solution for a project. Since I was designing lots of PCB’s anyway I decided to also realize this one.
 
[[Benutzer:LeandraChristine|LeandraChristine]] needed a small solution for a project. Since I was designing lots of PCB’s anyway I decided to also realize this one.
  
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The controller itself is running on 3.3V (because of the SD-Card). The supply voltage is 5V.
 
The controller itself is running on 3.3V (because of the SD-Card). The supply voltage is 5V.
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== License ==

Version vom 5. September 2014, 18:54 Uhr

Motivation

LeandraChristine needed a small solution for a project. Since I was designing lots of PCB’s anyway I decided to also realize this one.

Its es ment to be used with the SimpleSDAudio-library from Tut, who helped quite a lot with the circuit design in this project.

The board is carrying: 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)


The controller itself is running on 3.3V (because of the SD-Card). The supply voltage is 5V.

License