This is a worthy bookmark, as a resource for wireless comms with Arduino boards. Basically, it's a Wevolver walkthough of Wi-Fi, 4G, LoRa, NB-IoT, and Matter, with example use cases and Arduino ...

Meet the Production-Ready Arduino Compatible HQ record and Playback Audio Module! With ease, you can record and playback up to eight sound bytes using your own voice, or PC. There is an on-board ...