this post was submitted on 12 Dec 2023
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While they were happy with what the fairphone 4 brought to the table, they seem to like what was changed for the fairphone 5.
What are you guys' opinions on this? A welcome change? would you get one if your phone died within the next year?

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[–] [email protected] 4 points 9 months ago (1 children)

Typical stereo headphones have 3 pins. Left, right, common ground. Tip, ring, and sleeve (not sure if the conductor order).

4-conductors used to be common for portable camcorders and early digital cameras. They’d put our composite a/v (extra conductor for video/yellow, still a shared ground). Tip, R1, R2, sleeve.

I’ve seen USB 2.0 (or perhaps 1.x) done over a 4-pin 3.5. And I’ve seen RS232 over 3.5 a number of times too (used to be common in ham radio in the 90s/early naughts).

[–] [email protected] 2 points 9 months ago

The video ones are what I was thinking of. Fair enough that I forgot to count ground.