The DIY Radio Kit with Case (HU-017ASW) is a fun and educational electronic project based on the RDA5807 FM receiver chip, covering the 87.0–108.0MHz global FM frequency range. Designed for beginners and hobbyists, this kit helps users learn about electronic circuits and soldering while building a fully functional FM radio. It features a 4-digit digital display for frequency and signal level indication, 15-level adjustable volume, and automatic station scanning and memory functions. With dual power options (USB or 3×AAA batteries), it’s suitable for both indoor and portable use.