DIY Digital FM Radio Soldering Kit

FEATURES

ADVANCED VOLTAGE REGULATION - Utilizes a 3.3V buck-boost module, ensuring stable operation of the MCU and digital display even when input voltage drops to 2.5V. This guarantees consistent performance and prevents display failure.

HIGH-FIDELITY AUDIO OUTPUT - Integrates an AXS2031 anti-distortion digital amplifier chip. It delivers 5W of clear, rounded audio without distortion, even at low voltages, providing a superior listening experience compared to conventional chips.

ENHANCED SIGNAL RECEPTION - Features a 30cm omnidirectional telescopic antenna and spiral copper PCB traces. This dual design significantly boosts signal sensitivity, allowing for clear reception even in areas with weaker FM signals.

STC MCU CONTROL CORE - Powered by an STC15W408AS microcontroller unit. This robust core manages all functions, including a power-off memory feature that conveniently recalls your last tuned frequency upon restart, saving you time.

PRECISION-CUT ACRYLIC HOUSING - The kit is enclosed in a durable, transparent acrylic case, precision laser-cut for a perfect fit. It protects the internal components while offering a clear view of the assembled circuitry.

SPECIFICATION

Style: Kit Only (No Housing), Kit + Housing, Fully Assembled Unit

Size: 158 * 28 * 74mm

Material: Acrylic Housing, Copper Standoffs

Current: 10mA

Power Supply: 2 x AA Batteries/5V 1~2A

Frequency Range: 87.5MHz - 108MHz

Power Amplifier: AXS2031

Output Power: 5W Monaural

Antenna Length: 30cm

Package Includes: 1 * DIY Digital FM Radio Soldering Kit

USAGE INSTRUCTIONS

Fix the antenna with screws, adjust vertically, then solder to secure.

After soldering the PCB, attach front and rear hex standoffs.

Install the front cover, then side covers, and finally the rear cover, tightening all screws.

NOTES

DIY kit requires manual soldering and assembly; tools not included.

Use only one power source at a time (USB or battery) to avoid circuit damage.

Electronic manual included for assembly guidance.