Projekt for Ung Energi Aalborg.
MP3-modul: http://www.ardu.dk/?product=mp3-modul-mp3-tf-16p - manual: http://www.picaxe.com/docs/spe033.pdf
Forstærker: https://www.aliexpress.com/item/LM386-Audio-Amplifier-Module-200-Times-5V-12V-Input-10K-Adjustable-Resistance-Free-Shipping-Dropshipping/32302161098.html
Lille højttaler
Sensor
https://github.com/bullestock/trashtalk