Thingiverse
USB powered AAA battery by rockethacker
by Thingiverse
Last crawled date: 3 years, 1 month ago
I was tired of replacing the AAA battery in my noise cancelling headphones. This thing replaces the AAA battery and gets power from a USB port on the computer the headphones are connected to. Now i have un-interrupted noise-cancelling and i can forget about the batteries!
Note that this is only practical if your headphone battery compartment is located in-line on the cord.
I didn't include any capacitors because i didn't think they would easily fit inside the battery. i'm not worried about it since USB power is pretty clean, you may want to try to include them.
Note that this is only practical if your headphone battery compartment is located in-line on the cord.
I didn't include any capacitors because i didn't think they would easily fit inside the battery. i'm not worried about it since USB power is pretty clean, you may want to try to include them.
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