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Results for backfeed
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0
votes
Can I power a raspberry Pi 4B from a connected powered USB 3 Hub with 2 USB 3 hdd's connected?
The backfeed will not happen unless you add an additional supply and it feeds power to the USB on the pi. Power from that would go to your computer ie backfeeding. …
- 1,268
1
vote
2
answers
396
views
Can I power a raspberry Pi 4B from a connected powered USB 3 Hub with 2 USB 3 hdd's connected?
I also don't fully understand how the USB backfeed issue works, should I be worried about this in my planned scenario?
Any other concerns that might cause me concern? …
3
votes
4
answers
3k
views
Raspberry pi-4 powered usb hub backfeed issues
However, I stumbled upon this article -- about poorly made powered USB hub could have backfeed that could cause pi-4 to be stuck on reboot. … This backfeed issue seems to be never advertised and only discussed on raspberry pi forums. …
- 131
3
votes
Can USB ports blow polyfuse on Raspberry Pi 3B?
I have heard that some powered hubs (and so possibly also drives and other devices with their own supply) do potentially backfeed power. …
- 60.1k
3
votes
Accepted
Raspberry Pi 4 hung on boot while powered USB hub is plugged in
This is not a one-off defect, this affects all Raspberry Pi 4 boards and the only solution seems to be to get a more expensive hub which doesn't backfeed power into the Pi. …
- 73
1
vote
Accepted
Powered USB Hub Requirements
Backfeed shouldn't harm anything, though your Pi 4 may remain partially on if the powered hub is on.
The hub should be plug-n-play, and the common drivers ship pre-installed. …
- 1,809
4
votes
Accepted
Pi Remains Running When External (Powered) HD is connected
Someone has provided the steps to backfeed
If you wanted to reduce the risk of damage to the raspberry pi, you could cut off the 5V+ supply from the HDD to the RPI as described in this article. …
2
votes
Is it possible to power a Raspberry Pi (Zero/Compute Module) over an HDMI/MHL socket of a TV?
The power backfeed is probably still in effect, so I try to keep them on the same power supply. …
- 1,120
1
vote
7" Touch Screen Stops Sending Touch When 3v3 Pin is Plugged In
I'm thinking it's trying to backfeed maybe 1.5v from somewhere that's normally grounded, and viola, almost 3.3v (5v - 1.5v = 3.5v). …
- 141
0
votes
Accepted
Problems with Raspberry Pi 3B+ and L298N Dual H-Bridge
This will backfeed power to your Raspberry Pi if not turned off. …
- 101
4
votes
Can Raspberry Pi draw power FROM an external HD?
When you backfeed from the USB, those components are essentially excluded from the circuit. …
- 28.2k
2
votes
Accepted
Can Raspberry Pi draw power FROM an external HD?
Some USB hubs can backfeed power. I don't know if they are meant to but it does happen.
It was not uncommon for the early Pi models to be backpowered via USB. …
- 71.6k
1
vote
1
answer
544
views
Exteral HDD problems
I have external 4A PSU wich power drive and backfeed rpi. Disk is formatted in NTFS, I added some lines fstab to auto mount it. I distabled power saving options. …
- 11
3
votes
How much current should I supply my 2 model B?
However, that can mean that if there's a power failure for the Pi but not for the hub, the hub will "backfeed" the Pi. …
- 961
2
votes
1
answer
226
views
Will there be backfeed problems if I use a powered external HD on RPi 2?
Will there be any issues (eg backfeed) if I also mount the powered ext hd? …
