Troubleshooting • Re: nmcli commands work except for mobile hotspot
update: I managed to get it to work by using connection.autoconnect priority.Two issues I 've stumbled upon in the process is trying to understand why this doesn't work on a different sd card that has...
View ArticleGeneral • Re: Relay connected to pico interfering with spi?
I have 6 3V reed relays (SIL03-1A72-71D) that connect to a raspberry pi pico directly via gpio pins 11, 12, 13, 14, 15, 18, and 19 on a custom pcb. The connections to the relays are: 1 is connected to...
View ArticleBeginners • Re: Will 12V 8 channel relay destroy my RPI 3B ?
thanks a lot guys , i will use external power supply or ULN2803A. image above should be working as it is ending in .jpg here is the linkhttps://pasteboard.co/s9Rut21xnczS.jpgThat's not how I...
View ArticleOfficial Display • Re: 7" Official Touch Display connection to Pi5
The cable supplied with the screen should have 15-pin FFC included. That can't be used with Pi5. You need https://www.raspberrypi.com/products/display-cable/Statistics: Posted by aBUGSworstnightmare —...
View ArticleOther projects • Re: Raspberry pi 5 UPS with 12v Buck converter
In theory yes it should work. How long do you need to power the Pi 5 for?Just enough time for the diesel generator to kick in, under 1 minute usually. I need to safely shutdown the pi.Get a real...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: MIPI DSI panel with CM4 and ILI9881c
Welcome to the exiting world of DSI!Which driver do you use, which overlay do you use and which kernel do yoi run?Code: uname -aStatistics: Posted by aBUGSworstnightmare — Thu Dec 14, 2023 5:46 am
View ArticleTroubleshooting • Cannot Boot old Raspberry Pi with new software
Hey, i bought a Raspberry Pi 4B 4 years old. Ran it for a year and then bought another computer, never using again the Raspberry for 3 years. I decided to boot it 3 or 4 days ago and it booted, but...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: ST7701 DSI Screen - Using mainline or...
If there is a mainline driver I would opt for that.Your vendor specific one says ST7703 (please use code tags for better readability) though.So check yoir display spec if it is ST7701 or ST7703, as...
View ArticleMicroPython • Re: Sample code for PICO W Web server not working
Thanks. I added the <body> line to the html string and tried again. It did not make any difference. I think that the client.send(html) statement is somehow not working since the Chrome browser...
View ArticleRaspberry Pi OS • remove the added '+' in kernel name
I build a kernel 6.7 release candidate from the rpi-linux 6.7.y branch, but I haven't found a way fix the local version naming; there is always a + added, which leads to problems in various scripts,...
View ArticleGeneral • Re: Can we make two Pico W communicate without the wifi?
Hi allTested safe range of PICO W as a wifi access point is around 17-18 metres without any obstructions in the way. Post 18 metres, the connection was weak and then further away it starts...
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Troubleshooting • Swap usage at almost 100% - What could be wrong??
Yesterday I started using Grafana and today I can see that my swap usage is at almost 100%.I have a Raspberry Pi 4 with 1GB swap (see swapfile below).Attaching Grafana output.Any ideas of how to...
View ArticleAdvanced users • Re: Is the overlay filesystem required to prevent corruption...
You write:"For my purposes, I need the Pi to be rebootable by unplugging its power cord and plugging it back in, thus the need for the write-protected SD card & overlay fs."IMO that introduces...
View ArticleCamera board • OV5647 problem with 64 bit PiOS Bookworm 12.4
Problem: Camera 1 OV5647 is not working in Pi3A+ and Pi4B with latest 64bit bookworm version of PiOS but V2 imx219 sensor worksHardwares tested on: Pi3A+ board or Pi4B new and Camera Module NOIR V1,...
View ArticleOther projects • Re: Inspection water well camera project
Also any idea on how to power the camera 12V conector from the Pi? I have external 12V 7Ah battery.If you decide to power the camera from 12V, check the range of voltage which is allowed. If it is,...
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Camera board • Re: Odd RPI Camera Noise / Artifacts
Seems that the cache coherence fixed that issue. There is one other issue that has been showing up occasionally and it seems the the pi cam v1 on the same hardware and software will occasionally...
View ArticleGeneral • Re: GPIO input resistor levels
Have you got the GPIO pull-down switched off?At 60k the theoretical voltage of the divider is 0.99V, at 80k it is 1.32V, both those voltages are in no-mans-land* ie they will be interpreted...
View ArticleGeneral discussion • Re: Where can I buy a RPi 5?
I have just bought from digikey, initially, I ordered the 4gb bare card model, but cancelled it and instead ordered the 8gb kit form (card/cooler/case/psu)...it has just arrived now and I don't know...
View ArticleBeginners • Re: RPi hybrid cluster viable?
Depends what your cluster is for, using the Pi5 increases the communication bandwidth considerably compared to the Pi4.It depends on a lot of variables whether it is going to be the undefined...
View ArticleMicroPython • Re: Help for Raspberry PI pico
Could be that on your windows system a second process is scanning/using serial ports and so thonny can't access the pico's com port.Perhaps you have access to another computer where you could...
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