Digital FM Receiver,FM Receiver Module Adjustable Frequency Music Player Digital FM Radio Receiver Module

Specification: Item Type: FM Receiver Module Material: PCB Interface: For Interface Operating Voltage: 3.0-5.0V Package List:1 x FM Receiver Module   2 x Washers 2 x Nuts  Note:1. MuteShort press VOL knob down to switch between mute, non mute2. Automatic squelch switchPress and hold the VOL knob down to toggle the Auto Squelch function on or off, the LCD display caption ON means Auto Squelch is on, OFF means Auto Squelch is off.3. Self acting noise threshold (threshold) adjustment (valid when the switch is on)Press and hold the knob downwards to enter the Auto Squelch threshold adjustment interface, rotate the VOL knob to adjust the action threshold of Auto Squelch according to the specific usage, the adjustment range is 0?31, the larger the value the higher the threshold, the easier the weak signal will be muted. The opposite is true.4. Connected to the serial port (no need to connect without serial control)The module is reserved for TTL serial port control interface, TTL serial port communication with this module needs to connect the module's UART_RX, UART_TX and GND (marked on the corresponding position of PCB), you can use external MCU (microcontroller) or computer serial port to send commands to control the relevant functions of the module.5. Automatic station searchShort press the encoder to automatically search for local stations, while the LCD screen displays the current frequency, and stops when a valid station is searched.