The Sentinel Core board measures 170 x 170mm (6.7″ x 6.7″) and should fit into most computer cases designed for mini ITX boards. It has the dual 100-pin connector used to attach a Raspberry Pi CM5, ...
When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...