| ▲ | cowlevel 3 hours ago |
| Your phone has GPIOs inside it, but you can't access them without at least root. |
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| ▲ | randomblock1 3 hours ago | parent [-] |
| Cool, didn't know that. But like are they physically accessible? I don't think you can use the USB port as GPIO. Maybe some unused pins on the SOC itself, but that means opening up the phone and probably removing the shielding/heatsink... |
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| ▲ | amelius 2 hours ago | parent [-] | | You can attach some photodiodes to your screen to control things. And use the camera/mic for input. | | |
| ▲ | cowlevel 2 hours ago | parent [-] | | Now that's a funny idea. But it's true! | | |
| ▲ | amelius an hour ago | parent [-] | | I think you can attach a keyboard to a phone over USB, and in theory it can provide both input and output (you can control the LEDs from the host computer). That would be a more convenient route, I suppose. |
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