Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive.

Software Defined Radio (SDR) turns the hardwired, task-specific and very elaborate chip development of the past into a flexible software-based design running on a generic, efficient and mass-produced ...

Portable yet capable, ATS Mini V4 Portable Receiver uses an ESP32S3 for custom firmware like a waterfall view, helping you find stations faster.