Questions tagged [usb-power]

Relates to powering USB devices from the Raspberry Pi

54 questions with no upvoted or accepted answers
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252 views

RaspberryPi A+ USB Data Lines shorted

This is kinda weird problem. I used Raspberry Pi A+ for my small projects. I did all the programming using a USB WiFi dongle via SSH. It all went happy and fine until one fine day the dongle stopped ...
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0answers
392 views

Trouble connecting USB devices with Raspberry Pi Compute Module on custom PCB

I am working with a team designing a PCB that works with the Raspberry Pi Compute Module 3 card. We are having a bit of trouble with the USB ports. The schematic of the USB portion is somewhat similar ...
3
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0answers
178 views

Pi 3 - insufficient USB power available for dual-band Wi-Fi adapter?

This question says "How much current can draw from the USB ports? ......The limit for Pi3 is 1200mA." However, my Rosewill RNX-N600UB Wi-Fi dongle will only operate in the 5 GHz band when plugged ...
2
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0answers
38 views

Can powering a DC motor through the USB ports of my Raspberry Pi Damage the Pi?

I'm working on a project that contains two DC motors and a Raspberry Pi, I do not have other components like Relay, Motor Drivers, transistors etc. I am aware that powering a motor directly from an ...
2
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0answers
379 views

Is it possible to connect a Raspberry Pi 0 to the USB port of a router, to connect to the internet?

Recently I read (in articles such as this one) that it is possible to use the Raspberry Pi Zero in 'USB/Ethernet gadget mode'. Now my modem has two USB ports, which the manual says can be used for ...
2
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0answers
908 views

Trying to get 3g connected to Raspberry pi

So I have on hand a 3g usb dongle that I'm trying to get connected to the raspberry pi, I've used the process described in: https://www.thefanclub.co.za/how-to/how-setup-usb-3g-modem-raspberry-pi-...
2
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1answer
106 views

rpi kind of turns off (not accessible by ssh / vnc, red light on), var/log with regulatory domain

I am using a rpi3 with an external usb disk and a 3A power source, but the system seems to turn off after 1-2 days of normal use. I know that because I cannot access it (ssh or vnc), but there is a ...
2
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0answers
87 views

Pi not recognising 2.5" HDD over powered USB Hub

So after finally setting up OpenElec I decided to also get a powered USB hub. Got this one for cheap from work. The power supply for the HUB outputs read: +5V ⎓1A I connected a 2.5" HDD in a USB 2.0 ...
2
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0answers
691 views

Ext. HDD I/O Error - suspends, power issues?

My external USB HDD becomes repeatedly inaccessible after a long time of usage/idleness. The same thing happened before with a very old disk and I thought it was just failing. But I do have the same ...
1
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0answers
68 views

Is it safe to power Raspberry Pi Zero 2 W directly from computer?

A great feature of the Raspberry Pi Zero is that you can tether it to a PC, Mac or iPad Pro by connecting it directly to a USB port. It can act as a USB-Ethernet-adapter and you can ssh into the Pi. ...
1
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0answers
29 views

Connecting hub to 1 USB port vs 2 USB ports?

The Pi 4B has 2x USB 3.0 ports. I have 2 choices to connect my hard drives: Using a single 10-port hub which connects to 1 USB 3.0 port. Using two 5-port hubs which connect to two USB 3.0 ports. ...
1
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1answer
251 views

How to recover Raspbian/Raspberry Pi OS boot media after power failure

There are many questions similar to mine and none with a coherent applicable answer. Setup Raspberry Pi OS Buster; up to date. Raspberry Pi 4B. Red LED has a steady glow: current is stable. Both ADATA ...
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92 views

RPi 4B official power source not powering it ON

I am trying to get my RPi4B(4GB) powered ON with a power supply but am frustrated with the results. I found a workaround to this problem, which is that I can power on the Pi4B with a type-C USB cable ...
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0answers
73 views

UPS for Pi 3B and hdd

I'm quite new to the Pi world, but I need a UPS unit to power both a Raspberry Pi 3B and a 2.5'' hard disk used by the Pi. I thought a power bank could be the right choice for me, but I cannot find a ...
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0answers
489 views

Connecting Raspberry Pi to old found TFT display

I have an old car DVD player sitting around that has a fairly decent secondary TFT LCD screen (hannstar 721h440b19-a1) that I thought I could use with my Raspberry Pi 3 Model B. I opened up the unit,...
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0answers
24 views

USB Dongles worked on first boot okay but after restart it stopped working

I have a Raspberry Pi 3 Model B flashed with Raspbian by Etcher.io. When I booted it for the first time , I was playing some YouTube videos and it worked fine with keyboard and mouse. However, after ...
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0answers
86 views

Power AND Data on a SINGLE port with Adafruit PowerBoost 1000

I would like to be able to power my Raspberry Pi with the Adafruit PowerBoost Charger1000 and use USB data while exposing only a single USB port on my device. One idea I had was to simply split a USB ...
1
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0answers
66 views

Raspberry Pi HDMI blacking out and keyboard,mouse freezing

My setup consist a Raspberry Pi 3 model B running raspbian jessie. It is powered through GPIO header by a 5V, 5A switching regulator. I had a HDMI monitor, a flash drive and a USB hub connected with a ...
1
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0answers
333 views

How to give PS3 controllers charging handshake on connected powered hub?

I have a Raspberry Pi 3 with a powered USB Hub ( 7 port Anker ) running retro game OS Lakka. The PS3 controllers work great with the system, but I want to be able to charge them as well. Currently ...
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0answers
612 views

Raspberry Pi B+ power-supply and USB problems

I have two Raspberry Pi B+. One of the two is rather unstable (details below) and I would like to understand if it is just a defect or if I might have broken it so that I can avoid making the same ...
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0answers
1k views

Control USB power from Pi

I would like to control USB LED currently pluged into power socket from my Pi. I understand that it is not possible to simply switch ON/OFF given USB port on Pi. So is there some way, I could modify ...
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0answers
77 views

External USB HDD with powered usb hub

Please has somebody some idea how to fix what I described at http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=47218&p=546350#p546350? It worked yesterday and today I attached a Nexus 7 ...
0
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1answer
30 views

Can I use USB 3.0 port to power RPI4 + external SSD?

On the Pi-4B, can I use one of the USB 3.0 ports for power, instead of the USB-C port? I will be powering the Pi-4, an SSD drive (Sabrent 512GB Rocket Nano), and a Conbee II — which btw currently ...
0
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0answers
39 views

Error opening device /dev/video0: video capture not supported

I am trying to set up USb camera with RPi4. It is working well with PC windows10 default 'camera' application but failed with RPi4. I use mjpg-streamer to access the streaming. /usr/local/bin/...
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0answers
57 views

Pi Zero 2: insufficient power from USB port

i want to use my EzCap269 video grabber with my new Pi Zero 2. Unfortunately the video grabber won't work (power led is off) - so i assume it's getting not enough power (it's a USB3 device). I'm using ...
0
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1answer
31 views

Can you damage the pi's USB controller by constantly applying and removing power to it?

I have a pair of USB powered fans. I currently have them connected to a Raspberry Pi 3b+ via one of the USB-A connectors, drawing power from the pi. I have two cron jobs set on the pi - one that ...
0
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0answers
42 views

Cutting power to USB port on a RPi 3A+

I am running a Raspberry Pi 3A+ in my car as a DIY Android Auto head unit (using Crankshaft). In order to not have the RPi immediately shutdown when you remove the key from the ignition (or have it ...
0
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0answers
142 views

Pi 4 doesn't recognise SSD

I bought new Pi 4 8GB from authorised seller including power cable. It recognises HDD and works fine. But it doesn't recognise SSD (crucial mx500 1tb sata 2.5-inch 7mm internal ssd). This SSD works ...
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0answers
24 views

Is it safe to change the power settings to allow raspberry 400 to power using usb?

I recently got a raspberry pi 400 and wanted to use it as a portable device but realised that it can only get full power when plugged into a power socket. I saw a video showing that you can use it ...
0
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0answers
211 views

USB ports recieving power but not working on Raspberry Pi 3B

I use external harddisk(connected via USB with its own power supply) to boot into dietpi on my raspberry pi. It works okay for a day(even with multiple reboots and poweroff). But the next day RPi ...
0
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0answers
93 views

No power to usb ports on raspberry pi 3B

I use external harddisk(connected via USB with its own power supply) to boot into dietpi on my raspberry pi. It works okay for a day(even with multiple reboots and poweroff). But the next day RPi ...
0
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0answers
97 views

Raspberry Pi3B USB ports not working

I have a Raspberry Pi 3B v1.2 2015 which always worked really fine. But today I want to use it to read a serial comm from a BMS but the USB ports don't work. There are 5 volts reaching the port, to ...
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0answers
44 views

Can I use a TP4056 Micro USB 5V 1A instead of a powerboost 1000c to a Raspberry Pi Zero?

I am using a Raspberry Pi Zero and to make it rechargeable I need a Powerboost 1000c (from https://www.adafruit.com/product/2465) would I be able to supplement this for a TP4056 Micro USB 5V 1A? This ...
0
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1answer
113 views

Mirabox Capture Card and External Power Source

I'm looking to power my Raspberry Pi 4B from a 12V tractor battery. I have a buck converter which can be found here. I am considering using this device to step-down the battery voltage and hook up the ...
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0answers
2k views

How to deal with the error “device descriptor read/64, error -32”?

I'm using a Raspberry Pi 3 model B+ together with a Waveshare touch screen model 7inch HDMI LCD (C) which claims to be “low consumption,” although gives no precise amperage of the device. Anyway, ...
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0answers
53 views

USB Power Draw Plug In Order

I'm having some issues running a USB webcam and a USB speaker at the same time. If I plug in my webcam second, both devices work perfectly fine. If I simply boot with both plugged in, the speaker ...
0
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1answer
168 views

USB OTG with power supply connection to Raspberry Pi Zero

I have connected my 5.2 V 2 A tablet charger to power USB port of Raspberry Pi Zero and USB port to my Linux OS Lenovo laptop, according to this post I must cut the 5 V pin of USB PC port, but I didn'...
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0answers
22 views

Can I issue a command when a specific message issued in the syslog

I am having power problems with my USB devices which is proving difficult to resolve. However I can see on the syslog that there is a specific error message which shows there is a problem. What I ...
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0answers
185 views

Motion WebCam USB Errors - Unable to open Video Device

I have a Raspberry Pi Model B Plus Rev 1.2 with a Microsoft Corp. LifeCam HD-3000 connecting running Motion for a Webcam. I am getting periodic errors on the Webcam and it stops working. I am using a ...
0
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1answer
2k views

Raspberry Pi Low Power Warning

RPi Model B+ Raspbian 7.11 Kernel 4.14.41-v7+ I've been getting low power errors during startup (lightning bolt), and continue to see them in my syslog. I have tried multiple different USB cables, ...
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4answers
246 views

Power Requirement for Pi 3

I have a Raspberry Pi 3 Model B, and I wish to make a tablet with it. I am using the WaveShare 7inch touchscreen, the pi camera V1, a USB hub and an external CD/DVD drive. But when I got everything ...
0
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1answer
340 views

Problem installing Bluetooth Dongle on Raspberry Pi 3 running Windows 10 IOT Core

I recently bought the plugable Bluetooth USB adapter usb-bt4le and I want to use it with my RPi3. I have windows 10 core IoT installed on the RPi. I have disabled the on-board bluetooth and I wish to ...
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0answers
292 views

RPI Zero W gadget after plugging in turns my PC off

Hello I am making a rpi zero USB gadget but something is wrong with it I am sure that pads don't connect to each other
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0answers
76 views

How to fix Raspberry Pi hanging after start with 2 sound card controllers?

I have a Rpi 3 using with two sound card controllers (CM108). Rpi always hang after start if I connect sound card controller via usb but if I disconnect when booting and connect after booting is ...
0
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2answers
69 views

Attaching second raspberry pi to a USB hub already connected to a Pi

What would happen if I attach a raspberry pi (A) to a USB hub for power which is already connected to a second raspberry pi (B) powered by an adapter (but connects to devices such as HDD, keyboard etc ...
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0answers
49 views

Should I go for a power bank that has 5v output and 12 volt output

I have found this power bank ( http://www.amazon.in/Penibel-PT-10-10000mAh-Technology-smartphone/dp/B01FY58PLG?tag=googinhydr18418-21&tag=googinkenshoo-21&ascsubtag=2c2001f7-f9b7-4db1-9b28-...
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0answers
60 views

max_usb_current uneffective?

I found out that my raspberry freezes when having connected Huawei E3131 USB dongle... and the signal is really low. At first I thought that it may be connected to max current from USB... as specs say ...
0
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0answers
74 views

Power led is not up when powering from power bank?

Is it normal that red led (power one) is off when Rasberry is connected to power bank instead of original power adapter? Got 23000mah power bank that gives 5.1V/2.1A on USB... checked it out, and it ...
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0answers
422 views

Why did my wireless USB adapter suddenly stop working on a powered USB hub after it worked for weeks?

I set up two Raspberry Pis to power a 50" television each about a month ago. On each I have Raspbian running, with slight modifications so that it boots into a Midori browser kiosk that, by default, ...
0
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0answers
198 views

RPi shutting down after powered from 5V pin

My RPi is working fine and automatically connecting to wifi when powered from USB but when I try to power it from a regulated 5V supply on the extension headers I can see that it goes on but then ...