DC5V Dual Channel Amplifier Kit LED Bluetooth Speaker DIY Kit Music Spectrum Rhythm Light Audio DIY Electronic Kits

Features:

1. It consists of Bluetooth stereo module, power amplifier chip, music spectrum, 132 colorful LED and other components

2. Can connect Bluetooth to play music, support stereo output

3. Equipped with 3.5mm audio signal input port, support wired connection computer, mobile phone and other devices

4. When the audio cable is inserted, it automatically switches to the audio cable signal without interference from Bluetooth sound

5. Music spectrum display, rich color, beautiful music

Product parameter:

Product name: LED Bluetooth audio kit

Working power supply: USB power supply 5V (5V2A fast charger recommended)

Working voltage: DC5V

Working current: quiet less than 10mA full load not less than 500mA

PCB length: power amplifier board 91x43mm spectrum board 91x62mm

Bluetooth key operation instructions:

Short press K1: Turn on or off Bluetooth function (. Automatically turn on Bluetooth function on power-on)

Short press K2: Previous song

Long press K2: Volume –

Press K3: Next song

Long press K3: Volume +

Function description: Dedicated audio spectrum display driver chip, built-in a variety of decoding algorithms, memory function can permanently maintain user-set parameters.

Working mode selection: The chip will enter the normal working state after power-on, if there is audio input, the screen displays the spectrum. Enter the working mode selection: In the normal working state, regardless of whether the screen is displayed, hold down the "function button", about 1-2 seconds after entering the "working mode selection" state, at this time the screen displays "sound", which means entering the "channel selection" mode. Press and hold the Function button to change the set working mode and enter the next working mode selection. Tap to change the "Options" of the working mode, and the options will be displayed on the screen. You can set your own working mode according to your needs. Exit working mode selection: After setting the required working mode, there is no need to perform any operation, and the chip exits the working mode selection state and enters the normal working state after 5 seconds. Special note: If connected with a single speaker, set to mono working mode, the display effect is better.

Package included:

1 x DC5V Dual Channel Amplifier Kit LED Bluetooth Speaker DIY Kit Music Spectrum Rhythm Light Audio DIY Electronic Kits