Automation, sensing and robotics • Power on via header pins Rpi4 Model B
Hello forum,I am looking for an alternative power solution for a RPi 4 without a wall adapter, as it is not possible to use one for my project due to it being a mobile hardware application and not...
View ArticleGraphics, sound and multimedia • RPi 5: MPV dropping frames
I struggle to make MPV play back video smoothly.Video is hevc 1920x1080 60 fps, 8 bitRaspberry pi OS (Trixie) with wayland/labwc. mpv v0.40.0, installed via aptHigh number of dropped frames,...
View ArticleOther projects • Re: Need details of power requirements: R.Pi 3
Usually a voltage regulator requires external components that guarantee that the internal control loop is stable and doesn't oscillate. At minimum it's a capacitor at the input and a capacitor at the...
View ArticleAutomation, sensing and robotics • Re: Power on via header pins Rpi4 Model B
The Raspberry Pi 4 Reduced Schematics show that the USBC VBUS and the 5V pins on the IO header have a direct connection, so there is no difference where you feed the 5V.Statistics: Posted by fchk —...
View ArticleTroubleshooting • Re: Rpi3 b+ replaced with another rpi 3B+ 7inch display...
RPI 3B+ version as cat /proc/cpuinfoprocessor : 0model name : ARMv7 Processor rev 4 (v7l)BogoMIPS : 44.80Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm...
View ArticleCompute Module • Re: Changing The Wifi Region
Is raspi-config up to date?Statistics: Posted by DougieLawson — Thu Nov 20, 2025 7:49 am
View ArticleGeneral discussion • Re: Nothing here please delete
Re: feature requests.These do get fairly quickly locked down, but probably not for the reason most people think. Most think it because we don't like being told what to do, and whilst that might be...
View ArticleGraphics, sound and multimedia • Re: RPi 5: MPV dropping frames
which RPI model ?video source ? local file or over the network ?is it playing smoothly on other computers ?is it playing smoothly with other video players ?Statistics: Posted by dwam — Thu Nov 20,...
View ArticleSDK • Re: problems with debugprobe and openocd
Ok, so you're on the latest version. Does the failure occur with just the old version loaded (should still be compatible with latest software)?Can you connect a terminal program to the debugprobe's...
View ArticleSDK • Re: Is it OK to set the lwIP netif callbacks?
For reference here's an example of how the lwIP callbacks arise during a normal IPv4 WiFi connection and automatic re-connection:Code: ---- Opened the serial port /dev/tty.usbmodem212402 ----Version:...
View ArticleGeneral discussion • Re: What product would you like to see?
The 1.2/2.4 usec latency on the PCIe interconnect to the RP1 was very nearly a killer, since I need to do a lot of small read/write transfers (think accessing a "classic" 8-bit data bus), although...
View ArticleKeyboard computers (400, 500, 500+) • Re: Pi 500+ which RTC battery?
As I understand, the Pi 500 has the diode already in place.What diode? Pi 5 and 500 use the same PMIC with RTC built into it. Pi 5 uses a ML2020 so I don't see why it would have a diode.Statistics:...
View ArticleAdvanced users • Re: Is there any way of running an SD Card configured on an...
It will be a PITA but honestly IMO it's the best option.If flashing an SD card in 3 clicks with the guarantee that it works at once is a PITA to you, then I wonder what you'd say if you had to...
View ArticleTroubleshooting • Re: Pi Zero w/ ethernet adapter connecting to router only...
I had a similar problem with my Rpi Zero2W with ethernet. I changed the config value from otg_mode=1 to otg_mode=0 in /boot/firmware/config.txt and USB ethernet adapter started working on boot.Try...
View ArticleBeginners • Re: Screen protection for monitor
Thank you @aBUGSworstnightmare . A repair shop visit is a good idea.Statistics: Posted by Anne_Carlill — Fri Nov 21, 2025 8:50 am
View ArticleAdvanced users • How to write to SPI LCD directly, not via framebuffer?
I'm writing code to run an old-style black&white vector game on a Pi Zero with a 3.5in LCD attached over SPI.A few years back I would have used the fbcp-ili9341 driver but that is deprecated now....
View ArticleTroubleshooting • Problem with 2.5Gbps USB Network Adapter on Raspberry Pi 5
Good morning,I have an issue with my Raspberry Pi 5 (2Gb) and a USB-A to 2.5Gbps Ethernet network adapter, specifically one from UGREEN with a Realtek `RTL8156` chipset.I've noticed that when I...
View ArticleAdvanced users • Re: How to write to SPI LCD directly, not via framebuffer?
might give you some ideaviewtopic.php?t=380704If you only get 5fps then your driver is the issue .. and/or your SWIf you want 'bare metal like' access to the display just start an SPI driver and pipe...
View ArticleTroubleshooting • Re: Problem with 2.5Gbps USB Network Adapter on Raspberry Pi 5
what if you install a full (GUI) version and boot to CLI (instead of starting the desktop)?Statistics: Posted by aBUGSworstnightmare — Fri Nov 21, 2025 9:33 am
View ArticleBeginners • Re: Using an RPi5 as a mirror drive
Thank you @ejolson and @Akash Jana for replying. Both contain useful information to proceed with the project.@ejolson I take your point about capacity. My NAS has hovered around 1.6Tb for a few years...
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