Waveshare ESP32-P4-Module-DEV-KIT credit card-sized board may look like a Linux-powered Raspberry ... as well as a 100Mbps Ethernet RJ45 jack, four USB 2.0 ports, a 40-pin GPIO header, and more. It ...

2 in 1 Essential: DuKabel USB to aux adapter supports listening + speaking ... Smart Chip: The usb external sound card is built-in with DUKABEL's exclusive advanced chip for the better listening ...

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and the Raspberry Pi outputs sound via the native Alsa driver and a USB sound card. This project goes a long way to show how much simpler a project like this is once you find the right hardware fo ...