✦Step 1:-Prepare a bluetooth audio receiver.
✦Step 2:-Open the cabinet, and it is the receiver circuit board.
✦Step 3:-Now we need D882 transistor.
✦Step 4:-Transistor emitter on negative pin.
✦Step 5:-Connect a wire on L+R audio, output to transistor base.
✦Step 6:-Now add two wires for led strip on positive and on transistor collector pin
✦Step 7:-Now time to close the cabinet.
✦Step 8:-Make a hole for 2 wires.
✦Step 9:-Prepare 4v leds or led strip.
✦Step 10:-Solder the wire on led strip.
✦Step 11:-Now let’s test it. We can use a power bank, mobile charger or 5v power adapter to power it.
✦Step 12:-Connect the bluetooth to your phone and play a song.
✦Step 13:-The LED will shine with the rhythm of the song.
『D882』 view more ⇒https://www.utsource.net/sch/D882
『LED』 view more ⇒https://www.utsource.net/category/led-lighting-1.html
Video on Youtube: