Bluetooth Music Reactive Light

➢ Step descriptions:

✦ 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 two 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.

Product List

『D882』 ⇒ https://www.utsource.net/sch/D882

『LED』⇒ https://www.utsource.net/category/led-lighting-1.html

Video