With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
World First! DIY Real 4k (UHD) Beam Projector
Simple 10w Bluetooth Portable Speaker
DIY LED Desk Lamp w/ Strip Lights
It has to do with power fluctuations. Since the Bluetooth receiver and some part of the amplifier are digital, the power drawn can change very quickly. This would result in a voltage drop, which can be audible. To counteract this, you can place a capacitor in parallel. This will supply the extra current when necessary (voltage can't change instantaneously in a capacitor).The value itself doesn't really matter. Make sure the rated voltage is higher than what you connect it to. Best is some different values parallel (frequency that is most blocked\absorbed depends on the value, so more values = better coverage). I have 4 ranging from 470µF to 1nF or so. This was because my system had too much noise, but it was another Bluetooth module.Hope to help :-)
The Ultimate PVC Quadcopter
Frankenstein Light Switch
Hacking an old laptop into a 3D projector
Sugarcube MIDI Controller
Make an H Quadcopter with 3D printing
Simple Dual Axis Solar Tracker
Wooden Stones Art Installation
Light-Up Disco Table
Galileo's Finger - An Open Source Astronomy Learning Tool
DIY functional Sonic Screwdriver
3W 4'x4' Arduino Laser Cutter/Engraver
Power from trees!! And using this power to collect data form the environment.
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.