![Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics](https://m.media-amazon.com/images/I/71WvFqi5UFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics
![Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics](https://m.media-amazon.com/images/I/61uMtwVKG-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics
![Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics Amazon.com: SparkFun MP3 Trigger - 18 Trigger inputs to Alternate Functions Random & sequential Track Selection Transport Controls Even Volume up/Down Real-Time Volume Control Full-Duplex Serial Control : Electronics](https://m.media-amazon.com/images/I/41Yl5AteV1L._AC_UF894,1000_QL80_.jpg)