GitHub - carlfj/Arduino-MP3-sample-player-with-volumes: Arduino and MP3 Trigger with individual volume settings for each input. Using Sparkfun MP3 Trigger and MP3Trigger library

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Arduino and MP3 Trigger with individual volume settings for each input. Using Sparkfun MP3 Trigger and MP3Trigger library

dimsos.fridata.dk

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Name		Name	Last commit message	Last commit date
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MP3TrigduinoV2		MP3TrigduinoV2
README		README

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MP3Trigduino by Carl Jensen
dimsos.fridata.dk


This sketch requires Arduino 1.0 since it is using SoftwareSerial.
It also requires the updated version of MP3Trigger, currently forked on github at
https://github.com/carlfj/MP3Trigger-for-Arduino

It's set up to use the trigger inputs on the MP3 Trigger to keep digital pins free.

Code for reading rotary encoder is embedded in sketch instead of using another library. Remember to add to 10nF capacitors between ground and each input to avoid bouncing, as there is not added any software debouncing.
The rotary encoder changes the volume of the last played sample with a set lower limit and stores it in EEPROM.
It is set up to be connected to pin 8 and 9 with #define, but can be changed. Just remember to update ENC_PORT to reflect the section of pins in use.

Sparkfun product page, link to User Guidewhich they call
Datasheet for some reason: 
http://www.sparkfun.com/products/9715

Updates on new firmware for MP3 Trigger V2 at:
http://makerjam.com/support/