Questions tagged [usb-power]

Relates to powering USB devices from the Raspberry Pi

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20 views

Raspberry Pi B don't start

I try to boot from Rasbperry PI 1B version 2011.12, but it only shows the Red light but nothing happen. I try difference OS with no luck. The problem is the power?
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4answers
50 views

power troubleshooting

I am trying to power a raspberry pi 3 over a long distance (5 meters). I can power the raspberry pi with the standard power supply from Raspberry Pi itself, but when I use these: https://www.digikey....
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2answers
37 views

How to remove under voltage issue with Raspberry Pi 4

I have a project where I am using raspberry pi 4 and 5inch touchscreen. This screen is from waveshare but I have not enabled touch in it. I am using a USB splitter cable which on one end has usb male ...
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2answers
47 views

Do I need to use a UPS with my RPI?

Whilst I am OK with software, hardware especially electronics is not my field. I have an RPi. It is enclosed in an water-proof case apart from an aperture that lets out a usb-c cable. Inside this ...
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1answer
42 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 ...
2
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2answers
273 views

Raspberry Pi random reboots (Raspi 3B+)

I have a raspberry pi 3B+ model that I bought back in February 2019. For sometime, I "remember" it was working fine (although I can say from experience - memories can be deceiving). Then I ...
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1answer
51 views

external power supply [closed]

Using Rpi4. Using camera and IR lighting. Would like it to be powered by rechargeable batteries. What are my options.. I have found 'holding cases' for AA batteries but only for Raspberry 3s. I have ...
2
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2answers
52 views

Raspberry doesn't recognize me disconnecting a USB device

I have a Raspberry Pi with an Amazonbasics 10-port USB hub which has a PPPS (port per port switching) function, basically, it can turn off power to any power via a tool called uhubctl. When I use ...
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3answers
52 views

Power Raspberry Pi 4 with a phone charger [duplicate]

I've got a phone charger that delivers 4.5 A at 5 V (Huawei SuperCharge), which should be enough to power the the Pi 4. Can I use this charger or do I have to buy the original one? Thanks in advance
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2answers
98 views

Can I use a battery bank for raspberry pi?

I am working on a project that requires a pi with a camera and a small pressure sensor board to run for up to 20 hours. I am on a budget and need a UPS for my pi model 1 B+. Any answer will be helpful....
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1answer
31 views

Is it safe to connect a 12V and 0.25A fan to Raspberri Pi 3 B via USB port

If it is safe to connect a 12V fan via usb to the Rpi3 then can you also tell is it feasable to code in python to control fan via USB that is to switch it on and off. Please do help as soon as ...
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0answers
10 views

Does The Raspberry Pi 3 “Power Down” USB Connections When Not Used foa a While?

I use a Raspberry Pi 3b+ as a router on my home network between two subnets with the following adapters: USB->Ethernet : 10.0.1.0/24 USB->Passively Powered Wifi Antenna : 10.0.0.0/24 Occasionally I ...
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1answer
27 views

Plugged in a 32GB Sandisk flash drive to my RPie3 (running Retro Pie) and it won't boot now

I wasn't sure if the flash drive was the culprit, so after reinstalling the OS (RetroPie) I tried the flash drive again....and sure enough, it killed my OS again. Even after unplugging it and power-...
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1answer
21 views

RPi 4B USB port power rails connection

I want to connect two external hard drives to the RPI4B. Since the Pi can not provide sufficient power for both of them, external power source is must. Are the USB power rails shared between all four ...
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1answer
508 views

Can raspberry pi 4 B boot from 256 GB SSD that uses USB adapter? [closed]

I installed raspbian on the Samsung Evo 860 256GB SSD. The SATA adapter and did not power up when I plugged it into the raspberry USB port. I think that its the power supply. Raspberry 4 B may not ...
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0answers
216 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, ...
2
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0answers
35 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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0answers
69 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
69 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 ...
1
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1answer
19 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
46 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 ...
2
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0answers
40 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 ...
3
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1answer
168 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 ...
1
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1answer
491 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 ...
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1answer
57 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
122 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
51 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
157 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
128 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
40 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 ...
2
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1answer
82 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
382 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?
5
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1answer
2k 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
46 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
48 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
69 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
113 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
98 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 ...
2
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0answers
132 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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8answers
1k 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
3k views

Can Rpi3B+ power two USB SSD drives?

Can I power two usb drives using USB to satas or do i need a powered USB hub?
2
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3answers
10k 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?
19
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6answers
31k 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
72 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
448 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 ...
0
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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
108 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 ...
3
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0answers
200 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 ...
1
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1answer
319 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
134 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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