Alice

I'm thinking of using Adafruit STEMMA Audio Amp (Mono 2.5W Class D - PAM8302) and the Adafruit Mono Enclosed Speaker (3W 4 Ohm) into my audio setup. Has anyone used these components before and can share their experiences?

"USB battery charger" could be anything from a fully certified and compliant device to unsafe cheap junk - make sure its manufactured by a reputable company. Same goes for the amplifier which will also be a mains powered unit I presume. Apart...

MarkT, Thank you so much for your detailed reply—it really helped clarify things. I plan to use AWG 22 wire for the amplifier’s main power and ground lines. Which size is better, AWG 24 or AWG 26, for the button and LED signal and ground wires...

Hello, I'm fairly new to working with the Teensy 4.1 and its soldered-on audio adapter. I'm building a small piano for my granddaughter using the SDpiano.ino sketch from this GitHub repository, with added code to support six LED arcade buttons...