All these items are compatible with the Arduino and perfect for your Arduino-based projects!
This LM386 Amplifier Module has the whole amplifier circuit neatly mapped on a single board with variable gain. Amplify audio signals that are too low to be read into a microcontroller or played via speakers with this Amplifier Module. Arduino Compatible.
This is a high speed, ultra high density Addressable RGB LED strip with 144 individually addressable APA102 RGB LEDs packed on a single 3.28ft (1 meter) long strip! Control with 2 pins, Clock and signal! Arduino & Raspberry Pi compatible.