DIY LCD Digital FM Radio Kit with Flashing LED Light and LCD Display – Radio Making Welding Parts Features: - New and high quality - Made of high-quality materials, strong and durable - Operates on DC 5V voltage, compatible with computer USB power supply and mobile power bank - Features digital channel tuning and precise volume control - Easy station search and volume adjustment - Equipped with 10 LED lights that flash in different colors and pulse to the rhythm of the o, enhancing the DIY experience - Includes a high-definition LCD display; after assembly, users can adjust frequency and volume using the buttons on the radio - Electronics soldering kit designed for hobbyists and beginners to learn soldering skills while building a functional FM radio - Main control chip uses STC89C52 combined with RDA5807 module; master and slave devices connected via I2C bus - Software-simulated bus timing drives the RDA5807 chip, enabling automatic station search - Frequency range: 87–108 MHz, with real-time frequency display on 1602 LCD screen - o output amplified by LM386 power amplifier chip to drive the speaker - High receiving sensitivity and excellent sound quality with strong anti-interference performance, reducing noise for clearer o - Includes level indicator for enhanced listening experience Specifications: - Name: FM Radio Kit - Model: Kit or Kit + Case - Power Supply: DC 5V (inner positive, outer negative) - FM Frequency Range: 87–108 MHz - Operating Voltage: 4.5V–5.5V DC Level Indicator Description: - 10-level indicator using seven-color fog LEDs with slow flash effect - Lights illuminate from center to sides based on volume level; higher volume activates more LEDs - LED colors change automatically, creating a soft, dreamy visual effect Instructions: - Press left button to power on/off - Press right button to turn spectrum indicator on/off - Use S+ or S- buttons to adjust volume - Use P+ or P- buttons to tune frequency and select FM stations - Note: Case is not pre-assembled; customer assembly required Package Includes: 1 x Radio Kit or 1 x Radio Kit + 1 x Case Notes: - Due to differences in display settings and lighting conditions, actual product color may vary slightly from images - Slight variations in measurements are acceptable due to manual measurement