Introduction: Diy Portable Aux Speaker
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About: I am an electronics hobbyist and I love to share my works with others
in this, I am going to show you how to make a portable rechargeable aux speaker
Step 1: Things Needed
Step 2: Features of Pam8403
- Dual-channel stereo output
- 3 w + 3 w power Class D
- Works with 2.5V-5v power supply
- High amplification efficiency 85%
- can directly drive 4 Ω/8 Ω small speakers
- Good sound quality & no noise
- Can use computer USB power supply directly
- Small Size, 1.85 x 2.11 cm
Step 3: Circuit Diagram
Step 4: Connections
connect aux to input
connect speakers to outputs
connect the battery to supply pins
connect charger module parallel with the battery
watch the making video
Step 5: Case Making
I used 5 mm multi wood you can use the same or you can 3d print
Step 6: Happy Making
watch the video for full details
if you have any doubts please comment it below
