Questions tagged [usb-power]

Relates to powering USB devices from the Raspberry Pi

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0answers
29 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 ...
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57 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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2answers
54 views

Powering using 5V rail fails

I have reviewed a lot about powering the PI using the 5V pins on the expansion connector but I have not seen the solution to this problem. Here are some of the tests I ran: (Setup: Nothing plugged in ...
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1answer
17 views

Can I power the raspberry pi 0 w off of both ports at once?

I want to solder a male usb port to my Pi, so that it can be a little dongle computer. However, if I power it with a powerbank, and while it is still being powered, plug it into another power source ...
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1answer
35 views

Hard wire power to raspberry pi 3b

I have this adapter (https://global.rakuten.com/en/store/denshi/item/55154/) powering a set of RGB screens that I picked up from adafruit. Essentially I completed their pi/rgb matrix project and want ...
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0answers
33 views

Raspberry Pi 4 B unmounting and mouting intermittently

I had two drives on my Raspberry Pi 4 B and they kept being unmounted, I moved one to my router and it seems to be working fine now... I read about max_usb_current=1 doesn't make any difference on ...
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1answer
91 views

Power Supply Raspberry pi 4

I have googled a lot but didn't find anything useful. Can I use any power adapter other than the official Raspberry Pi supply? Moreover, I have an Argon One Case and many people have recommended ...
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1answer
156 views

I would like to add a battery to my Raspberry Pi 4. Can i do this by soldering to tp7, tp12, or tp1 on the underside of the board?

I would like to add a battery to my Raspberry Pi 4. I am building a tablet that can be turned on and off by a switch that brings power from the usb port from a power bank to power the pi, can i tie ...
0
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1answer
54 views

Signal generator connected to raspberry pi via USB

Ido connect to the device from my raspberry pi and able to send commands. The power consumption of the SG is 2.5 W. That means that the current of usb port should be 2.5 / 5 = 500 mA. >>> ...
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1answer
70 views

can I use two 4 TB disk powered by USB on RPI-4? No external power supply

I use 1 usb powered 4 TB disk sda without issues on RPI-4. Now I added a second usb powered 4 TB disk sdb and receive lots of errors (from both devices): # lsblk NAME MAJ:MIN RM SIZE RO TYPE ...
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1answer
45 views

Raspberry 3+ b and two external usb drives: lack of current

I've encountered the following problem: when I connect 1 external usb hdd to my Pi, everything works fine. But when I connect second one with the same characteristics, both drives are not usable. I ...
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2answers
122 views

How to power a Raspberry Pi 3 for USB HDD for storage

I'm trying to use an external HDD for storage on my Raspberry Pi 3B+. The disk is a 0.55A 320GB Western Digital Blue always plugged in, and added to /etc/fstab with defaults,user options. I've checked ...
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2answers
73 views

Powering the Raspberry 3 B+ with PSU

I have a PSU from Amazon that provides 5V and I used my trusty multimeter to adjust the voltage to exactly 5.0V. I used it previously to run some silent fans, but I don't have any use for that anymore ...
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0answers
34 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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1answer
76 views

USB-C to USB-C Cable Recommendations for Pi 4

Based on the USB-C implementation issue in Pi 4 rev. 1, I'm looking for recommendations on a non e-marked USB-C cable to use for power. Having dug through my own cable stash, I've found a couple of ...
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3answers
274 views

Rpi3B+ micro USB connector got 15V power. Is it dead? Can I save it?

I accidentally gave 15V to a Raspberry Pi 3 B+ Micro USB slot, when I observed some smoke I instantly removed in from the power supply. What can I do to restore my Raspberry Pi?
3
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1answer
908 views

Can the Pi 4 power 2 external USB 3 HDDs?

I would like to connect two external 2.5 HDDs a Pi 4. Can the Pi 4 power two of them at once? This is the model I have in mind: WD 2TB Elements
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0answers
44 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 ...
2
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1answer
42 views

powering raspberry pi zeroW via computer usb port

I ran out of wall plugs for the Pi and I would like to power a zeroW via a USB port from my laptop. There are 2 microusb ports on the zeroW should which 1 should I use, the one near the edge or the ...
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1answer
53 views

Whether using a 3.4 Ampere adapter or Qualcomm QC 3.0 adapter to power a Raspberry Pi 3B+ can cause damage? [duplicate]

So here it goes,after looking out hundreds of pages regarding powering of Raspberry Pi 3B+ still some hesitations here. I have totally read this out very detailed & nicely written answer by ...
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1answer
100 views

Will this work out (usb hub + rpi zero w + Zishan Z1 DSD)?

Well, I want to connect Rpi zero W and Zishan Z1/2 DSD in one case, but with both devices working in one port connected to PC. (with working usb device in Rpi if in "portable" mode or in both ...
3
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1answer
88 views

Powered USB3 Hub vs USB3 Y Power Cable

I have an issue that means I have to use a powered USB hub for the HDD that is attached to my RPI4 (long story). The hub just broke. My budget doesn't allow for a decent powered USB3 hub BUT does ...
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0answers
88 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 ...
3
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2answers
461 views

RPI4 won't boot with powered USB hub

I have an RPI4 running a Plex server, Pihole, etc etc. Power kept dropping while running certain tasks involving the attached HDD, so I started using a powered USB3 hub - problem solved. But now the ...
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2answers
2k views

Can the 3b+ power two usb SSD drives?

Can I power two usb drives using USB to satas or do i need a powered USB hub?
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3answers
8k views

USB Powerbank for Raspberry Pi 4

Is it yet feasible to use a USB powerbank to power the Raspberry Pi 4B? Are there any that you've successfully tried and could recommend? Can a 2.4A USB-C bank work?
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6answers
20k views

Choosing a Pi4 power supply

I'm trying to decide what is the best option for powering a Pi4. The specs mention for a minimum of 3A. Let's consider we would also like to connect a 2.5" drive to the Pi4. Could someone more ...
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1answer
62 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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3answers
329 views

can i power 2 raspberry pi 3 B+ using a USB hub?

i like to power 2 Rsp3b+ via a Power USB hub, i have a usb power hub that is 12v @ 2A and im worrying it will blow or burn the ic's of the pi's due to over voltage, would this be true? I like to add ...
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0answers
21 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
91 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 ...
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0answers
137 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 ...
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1answer
145 views

Raspberry Pi Shows Low Power Lightning Bolt When Only Using 1 of 3 Amps

My Raspberry Pi 3B+ is running Kali Linux on the official 7" display. I am using an Anker power bank that says: "5V=6A (3A max per port)" in the description. When using the Pi, it constantly shows the ...
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1answer
122 views

Do I need powered USB hub for WD External Drive?

I just got a WD MyPassport external drive, that is solely powered via USB (there are no other plugs). I have seen in various places that a powered USB port is suggested for the RPi, but I can't quite ...
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2answers
82 views

Powering Rpi won't boot using custom microusb and supply

I'm attempting to power my Raspberry Pi with my own power supply. As you can see from the picture, that is the micro usb I have modified to connect to my power supply. However, when I connect it to my ...
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0answers
204 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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2answers
2k views

Is it safe to power my external hard drive with a Raspberry Pi 3 B+ USB port?

I have a external hard drive that has written on it "5V ⎓ 1A". Both power and data transfer happen over a single USB. I have been reading about powering this hard drive with the USB ports on my ...
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2answers
3k views

Car Powered Raspberry Pi: Safe Shutdown and Power On

Apologies if this is a duplicate, but I can't seem to find a suitable solution. I need to power a Raspberry Pi in a car, and for obvious reasons need to shutdown gracefully, however, I need it to ...
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1answer
337 views

Using a molex powered usb panel to power multiple pi's

I have been looking into multiple ways to power numerous rapsberry pi's from one power source. I am not an electrical engineer and as such some methods I have researched online are less than ideal, ...
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2answers
189 views

Choosing a USB hub

I've read that using self-powered USB hubs with Raspberry Pi tends to be problematic. My first discovery today is that I will prevent some problem buying a USB-2 hub. My second concern is to power on ...
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1answer
71 views

PL2303 USB: Why connect the red wire +5V?

An instruction video at T=2:12shows the red +5V source connected to the rPi. In what scenario would one want to do this? I ask because I would expect the rPi to have it own power supply (in ...
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2answers
611 views

Raspberry Pi SD in RAID1 with a USB-Stick

I am using my raspi for my smart home monitoring and I don't want any system crashes because the SD card fails. So is there a way to build a raid 1 with the SD card + an additional USB stick (or maybe ...
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2answers
3k views

Raspberry Pi 3 Model B (not B+) USB polyfuse location

Usual problem - USB power has gone. Where is the fuse located on the board? The reduced schematics on the RPi webpage does not show the USB at all.
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1answer
97 views

Is it okay to power the Pi Touchscreen by plugging into the Pi?

I have the official raspberry Pi 7 inch touch screen, and I have mounted to it a Pi 2. Lately I have been using it and I have been plugging the power into the Pi itself. I however recently remember ...
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2answers
188 views

Power rpi with 2 ports from usb hub

Ok so I have not been able to find this specific question on the interwebs. I am looking for a USB hub that will power the pi and a few other things. I'm not concerned about the over all power rating ...
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0answers
21 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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1answer
6k views

USB Boot From SSD not booting — Rapsberry Pi 3b+

So I'm having issues getting the USB boot mode working on my new raspberry pi 3b+ and a couple of different SSD's I'll first go through all the things that I've done, and what I'm seeing. Installed ...
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0answers
64 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 ...
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1answer
147 views

Missing L4 chip near HDMI port, not boot up and usb port no power output

My rpi work perfectly until I touch it, It not boot up then I found the L4 chip HDMI port is missing(I have touched HDMI port I think my fingernail pull it off...). I found that tiny chip in the box ...
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4answers
844 views

Dual power supply for Raspberry Pi 3

I am using a Raspberry Pi 3 B+. Now I want to power up my Pi through GPIO pin 2 or 4 using a LM2576, and it should also work with USB power supply from adapter. I want to know which supply is ...

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