Converting a Old Speaker to Bluetooth

Recycling an old speaker for cheap

Supplies

Tools/Items needed

Jig saw

Drill

Hot Glue gun

Speaker from a thrift store

Power Supply- AC to DC $9

Female Barrel Jack Connector $.54

Battery Charging Board with Battery Protection BMS 5V Micro USB 1A 186 50 Charge Module $.35

Micro 4.2 Stereo Power Amplifier Board Audio Module 5VF 5W+5W $7.99

 Step up Converter DC Voltage Regulator Voltage  $1.30

EEMB Lithium Polymer Battery 3.7V 1400mAh 103440 Lipo Rechargeable Battery Pack $5.99

22 Gauge Wire

Step 1:

Find an old speaker.

Step 2:

Before permanently wiring everything up use a breadboard (if you have one) to make sure nothing is shorted out or broken, make sure no wires are touching, and secure everything down.

Step 3:

Screw down the speaker driver and use hot glue to secure wires and the circuit boards to the inside of the speaker.