Charging/USB over 4 pin 3.5mm Audio Jack

Discussion about other hardware (including other Pi-like boards)
Post Reply
User avatar
MegaLoop
Posts: 23
Joined: Mon Feb 26, 2018 5:19 am
Has thanked: 6 times
Been thanked: 7 times

Charging/USB over 4 pin 3.5mm Audio Jack

Post by MegaLoop » Mon May 14, 2018 7:00 am

I have an MP3 player that uses a 4 pin stereo headphone jack for both audio output and USB charging/data. Uses a cable that looks like this:
USB to Stereo Headphone.jpg
USB to Stereo Headphone.jpg (7.43 KiB) Viewed 3819 times
Anyone ever used this in a project before? Seems like it would be handy for small handhelds.

Post Reply

Who is online

Users browsing this forum: No registered users and 1 guest