New answers tagged pi-4
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Can I power a RPi 4 model B via a 5V/2A fast charging adapter?
It says 5v/10w but also says 45max I don't have much background for electronics.
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No output from /dev/serial0 (RPI 4)
I do not have a Neo 6 GPS, but on the RP 4B there are more UARTs to use instead of 0 and 1. I will provide a short example of how to use UART3 on the RP 4B which you may use to adapt to the GPS device....
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Raspberry Pi4 + Neo 6 GPS : Problem with getting data
I do not have a Neo 6 GPS, but on the RP 4B there are more UARTs to use instead of 0 and 1. I will provide a short example of how to use UART3 on the RP 4B which you may use to adapt to the GPS device....
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Raspberry Pi won't boot after update Ubuntu Mate
Similar errors have gotten a variety of responses. None of which applied here. So I burned a fresh image of Mate on a micro SD card and it now works.
Thanks, JPB
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Qt error running a simple Python program to check connection between RPi 4B and camera module 3. (see the description)
As @CoderMike rightly pointed out, I simply had to write a headless version of the script above.
Even though it was not a big deal, here is the headless version of the script above:
import time
from ...
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Does it matter whether I use internal or external or sata or nvme drive in terms of power consumption for RP4?
I've found the WD Green SSD drives work reliably with the Pi4 some other makes can hang occasionally unless a powered hub is used. I have 10 Pi's using this configuration successfully, all booting ...
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Does it matter whether I use internal or external or sata or nvme drive in terms of power consumption for RP4?
If you are using a SATA drive you need some kind of enclosure with USB adapter, since the Pi does not have a SATA port. This is a bit silly unless there is some reason you need to use some specific ...
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USB SSD Disconnecting
I had similar problems with 4 USB drives connected to a Pi4 file server, which were failing during drive to drive rsync operations. I thought at first it was because one of the drives was formatted ...
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Fastest Way to Flash OS Image to Raspberry pi SD card
Below are the steps I used to flash an OS Image using Android App
Convert 32 GB to 6.5 GB using pi-shrink.
Compressed 6.5 GB to 2.1 GB by tar method.
Splatted 2.1 GB to 200 MB (each of 10 parts) with ...
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How can i backup/clone one Pi to another, Real Time
It is not clear exactly what you want to do.
There are programs which backup running Pi and create an image - search this site for details.
The Pi has a SD Card copier which will copy a running system....
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How can i backup/clone one Pi to another, Real Time
Cloning the whole system on-line may be inefficient and might cause unexpected problems. For example:
if you are using their announced hostnames to connect to them, they will now be identical
if a ...
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Can Rpi4B power external / portable USB HDD / SSD?
What I've found over the course of a few years is that having one external HDD/SSD permanently plugged directly into USB works fine on Pi4 both with the blue 3.0 slots or the black 2.0 slots, but ...
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Freenove 4WD car with Raspberry 4 won’t boot up from batteries but will when plugged in
Samsung 18650 35E batteries are 8A.
You need Samsung 18650 25R with 20A.
8A is not enough for both the raspberry pie and the car.
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Force wired Ethernet speed to 100 full
You could simply just connect the devices with a cat 5 Ethernet cable which has a maximum throughput of 100mbps.
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How to Access corrupted Raspberry Pi SD card using Ethernet Connection
Does the kernel panic stop the operating system loading?
If the operating system has not been loaded you can not access the SD card from the Raspberry Pi.
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How to duplicate monitor in lxpanel?
Write in console or in script:
xrandr --output HDMI-2 --same-as HDMI-1
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RaspberryPi 4 64 bit: root is neither allowed to ssh out to another box nor rsync
Don't know why but today it works like all my 32 bit pi's. Don't know why.
Note: I did say what I was trying to do. Root has backup scripts etc for crontab to run and rather that recreate them, I ...
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