Update README.md

Author: TheKitty

AdaVoice/README.md

@@ -1,5 +1,4 @@
-Adafruit Voice Changer + Effects Box
-========
+## Adafruit Voice Changer + Effects Box
 
 Build your own custom voice changer and effects box. 
 Perfect for a costume, toy, art project, annoying the guy 
@@ -9,17 +8,21 @@ in the next cubicle, etc.
 
 To build this project you'll need:
 
-
   * Adafruit Microphone Amp - http://www.adafruit.com/products/1063
-  * Arduino Uno - http://www.adafruit.com/products/50
+  * Adafruit Metro 328 (or Arduino Uno) - http://www.adafruit.com/products/2488
   * Adafruit Wave Shield Pack - http://www.adafruit.com/products/175
 (Comes with wave shield, SD card, Speaker, wire)
   * Matrix Keypad - http://www.adafruit.com/products/419
   * 10K potentiometer - http://www.adafruit.com/products/562
 
-
 For portable use, a 6 x AA battery pack will last for many many hours
   * http://www.adafruit.com/products/248
 
 If you have a bigger speaker you want to power, check out our 3.7W 
 Class D amplifier board. http://www.adafruit.com/products/987
+
+This code was formerly at https://github.com/adafruit/adavoice - this has now been archived.
+
+If you are looking to make changes/additions, please use the GitHub Issues and Pull Request mechanisms.
+
+Please consider buying your parts at [Adafruit.com](https://www.adafruit.com) to support open source code.