Questions tagged [usb-c]

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Issues with custom RP2040 board

I have made a custom RP2040 PCB. When I connected the PCB using USB to PC, it is attaching as mass storage device. But when I am copying a uf2 file for blink and it got unmounted. But nothing is ...
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Looking to use Raspberry Pi 4 as a USB audio sink, for direct connection

I want to use my Raspberry Pi to take real-time audio (not network streaming) in PCM via USB, where a PC host will see the Raspberry Pi as an audio device gadget. From there, I plan to use the CPU of ...
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Does RPi4 support video IN (usb c) [duplicate]

This could probably be more of a generic hardware question but I plan to use an RPi 4. Does the RPi 4 with usb C have the possibility of receiving HDMI input. So essentially I want to use the RPi 4 as ...
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Impedance matching on RP2040

I really like your RP2040 chip and am using this to design a new small footprint PCB that offers USB and Ethernet access. The problem I am encountering is understanding your USB specs. Here on page ...
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2 votes
2 answers
3k views

Connect USB hub to RPi 4 USB C port to power the Pi and access peripherals?

I want to connect an RPi 4 to a bunch of USB peripherals and a power source that are about 3m away from the Pi, using only one USB cable (because that seems a lot neater than multiple cables and ...
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1 vote
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cheapest UPS for pi4 [closed]

I am looking for a better/cheaper way to do power-backup in case of blackouts. Right now it is a PI4 I need to power, and it is powered by a 12V AGM battery (12Ah) PI4 <-> USB-C cable <-> ...
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3 answers
86 views

How can I power a 4B from a DC power supply

I'm making a NAS with a Pi 4B, powered by a Meanwell RS-25 (5v 5a) psu. However, as far as I know, the Pi can only be powered via USB C, but the problem is all my breakout boards are limited to 500ma....
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2 votes
1 answer
2k views

Are schematics available for the newer RPi 4 with fixed USB-C power circuit?

Early editions of RPi 4 had hardware design issues in the USB-C port. (Ref: 1) Since then an updated board has been issued. However the official schematics still show the old USB-C Power In circuit (i....
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RPi4 USB-C hub not working on reboot

I have a LogiLink USB-C 3-Port Hub UA0315 plugged in Raspberry Pi 4 which is powered through external power supply. The hub is working when plugged in, however on reboot it is no longer detected until ...
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3 answers
755 views

Use a usb-c charger with variable voltage for charging Pi4 [duplicate]

I have read here that is possible to charge you pi4 with 3rd party chargers that supply 5V 3A. I am wondering if I can use this 20W charger, which can deliver differnet voltage level (5V/3A, 9V/2A, ...
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Is there a way to use the USB-C port as power and for something else?

What I mean by something else I mean connecting my external ssd (uses usb-c) to my pi rather than the usb ports as those are slower. I have read on usb-c Port of RasPi 4 used for anything else but ...
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4 answers
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Connecting to a raspberry pi 4 using a docking station?

I've just purchased the Pi 4 model B and am buying the parts I need. I have a docking station I usually use for my laptop and was wondering if the Pi can be fully set up using a docking station via ...
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Ubuntu on Pi 4 -- How to enable lan over usb-c?

I want to activate lan over USB-C on my Raspberry Pi running Ubuntu 20.10 Is it possible? I have seen guides for raspbian but (https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/) but ...
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Raspberry Pi 400 as external keyboard via USB [duplicate]

Is it possible to use the raspberry pi 400 as an external keyboard on another PC or tablet using the USB-C (OTG) feature?
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2 votes
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2k views

RP 4 connecting to Asus ZenScreen monitor issue

I'm very new to RP and I recently bought a new RP 4 and wanted to use a portable touchscreen monitor with it, but I wanted something bigger than the 7-10" ones I saw. I went for this one after a ...
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2 answers
79 views

Red Led flashing

I have a PI 4, WHEN using a 3.5A USB power measured 5.1v supply, the red LED is constantly on. When using a power supply which was rescued from a DVD player, checked supply 5.1v I get a flashing red ...
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3 votes
1 answer
377 views

Pi 4 - How to be sure to order a model with usb fixed?

I discovered that some initial lots of the Raspberry Pi 4 may have a sort of hw/sw bug that may be related to USB 3, and maybe also to thermal management and throttling. I would like to understand ...
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2 answers
3k views

Can I use an Apple USB-C power supply on a RPi4?

As I was upgrading RPi3's in the field, I was surprised to find RPi4 has a new connector (USB-C) for power... I could not find any documentation on RPi4's power supply specs, other than admission of a ...
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4 votes
3 answers
3k views

Argon One case doesn't power RaspberryPi

So I have just unwrapped and installed my new Argon One case that I bought from a retailer over the internet. Everything went smooth... except it doesn't work. It just doesn't start up. When I press ...
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1 vote
1 answer
207 views

Powering multiple Raspberry Pi 4s with 65W USB-C computer charger

Is it possible to power up multiple raspberry pi's with 65W USB-C computer charger? If so, is there anyone who have done it, that they can share how they did it?
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1 answer
714 views

usb-c Port of RasPi 4 used for anything else but Power?

Can the usb-c Port of RasPi 4 used for anything else but Power ?
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5 votes
2 answers
3k views

Power Pi4 with USB-C Power Bank

Can a USB-C Power Bank be used to power a Pi 4 for off-grid or mobile uses where the Pi cannot be tethered to either a mains electric socket or a POE switch?
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