An Arduino Due forms the heart of the project, ... and a PAM8403 Class D audio amplifier for the built-in loudspeaker. The enclosure is made from PVC panels, ...

Armed with an Arduino and a RDA5807M FM radio module, T. K. Hareendran shows us how to get started. Aspencore network. ... (AFL and AFR) of the radio to the line input of the PAM8403 audio module.

The PAM8403 is a 3 W audio amplifier, originally produced by Power Analog Microelectronics (now Diodes). While not an amazing amplifier, it lends itself well for battery-powered applications like ...