5V NS8002 ~10W Audio Amplifier | w/ Digital volume

5V NS8002 ~10W Audio Amplifier | w/ Digital volume 

This compact yet powerful audio amplifier project is designed for hobbyists and DIY audio enthusiasts. It features a simple yet effective design with modern conveniences built-in:

 Features:

• Digital Volume Control – Smooth, button-controlled volume adjustment using the DS1669 digital potentiometer.

•  ~10W Output Power – Great for small speakers and custom enclosures (actual output may vary based on supply and speaker impedance).

• USB Powered – Runs directly from a 5V USB supply or compatible charger brick, making it ultra portable.

• Screw Terminals – For easy speaker and power connections – no soldering needed for external wiring!

This is a clean, beginner-friendly PCB project using common components and an NS8002 amplifier IC. Perfect for Bluetooth speaker builds, custom desktop audio, or just learning about audio electronics.

Credits:

1. Digital Volume Control Circuit:
   Source: https://www.learningelectronics.net/circuits/digital-volume-control.html

2. 5V USB Audio Amplifier Circuit Diagram:
   Source: https://theorycircuit.com/audio/5v-usb-audio-amplifier-circuit-diagram/

3. Fair Use Disclaimer:

   The following circuits used in this project are sourced from public domains and are for educational and informational purposes only. I do not claim ownership of these designs and am using them to further my learning and experimentation in electronics. The circuits are modified or combined for personal use and non-commercial purposes.