15Watts MP3 Sound Module Activated with PIR Motion Sensor or Switch with Synchronous Load Output to Warning Lamp or LED Light
UltraSonic Pulse V6-40 Party-Audiosystem | Lautsprecher: 1 x 5,5“ Tieftöner 2 x 1,7“ Hochtöner | 40 W RMS / 160 W Musikleistung | Akku | Bluetooth USB MP3 AUX Guitar-IN | musiksensitiver LED-Lichteffe
Arduino Tone & MP3 Sound with No Shield | Web on Devices
Basics: Project 051b Serial MP3 player module by Catalex, Ultrasonic Sensor HC-SR04 at Acoptex.com / ACOPTEX.COM