Help on making portable mini speaker?
For a class I have called systems engineering, I have decided to build a mini portable battery powered speaker for my project.
can someone please help me on finding exactly what parts I would need, and if batteries, (possibly a 9 volt) would be able to also be able to hold not just an amp but a mini sub-woofer also.
I would also like it to be able to connect to my IPhone, either by Bluetooth or by a 3.5mm jack.
thank-you in advance.
Use a pair LM286's, one for each channel.
Datasheet: http://www.ti.com/lit/ds/symlink/lm386.pdf
Built dozens of these. Really easy
Other parts:
2x 220uF capacitor(again, one for each channel- assuming you want it to be stereo)
afew other parts
all about it right here:
http://www.hobby-hour.com/electronics/lm386-power-audio.php
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