8X8 FFT Audio Spectrum Sound Control Voice Control LED Spectrum Analyzer 64 Dot Matrix LED FFT Audio Spectrum Electronic

Description Working voltage 5VWith fixed mounting holesBoard size 75 X 45 mmNo need for filter circuits driving points spectrum indications and many other indicators Curing program support 8 8 8 rows and 8 columns LED display Designed for audio equipment it is widely used in various audio output devices Professional audio decoding showing the frequency and amplitude of the audio signal Three display modes flash slow flash 1 and slow flash 2 are selected to provide a stunning visual experience Three sensitivity modes high medium and low sensitivity are selected to suit different power supply environments Automatic audio gain adjustment always showing the best visual effect The circuit design is simple and the current limiting resistor is directly driven to drive the LED With self test mode There is no 3 5MM power cord please purchase it separately This connection is not included With 3 5MM audio port on the board you can access the mobile phone MP3 MP4 IPAD iPhone As long as you have 3 5MM audio output port you can output it to this and realize the audio spectrum function follow the music dance Key function description The Function Button pin is connected to a button which has the following three operations 1 Change the display mode press and hold the button for less than 1 5 seconds This button is in the ping pong working mode Pressing the button once pressing the button for less than 1 5 seconds will change the display mode once Slow flash typ