General discussion • CM4 PCM1865 TDM 4CH ASOC
Subject: RPi CM4 (BCM2711) TDM Master Mode Clock Issue with PCM1865 Slave (4ch Capture)Hi all,Goal:Capture: 4 simultaneous channels from the PCM1865 ADC (slave).Playback: 2 simultaneous channels to...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Small TFT based on ILI9341 ST7789 -...
Increased SPI frequency to 64MHz - ran camera preview in GUI -> no tearing at all, but see some lag in the preview. My V2 camera gives me 30frames when running 'libcamera-hello -t 0'. Used an ACC...
View ArticleGeneral • Re: Stepper control using Timers and PIO
Why don't you just use a PWM block for that?Statistics: Posted by Tharre — Sat May 03, 2025 9:19 pm
View ArticleBeginners • Re: Raspberry Pi 5 NAS with 10x 3,5" HDD
It should not be a problem to power from 1 source, as PC ATX PSU can deliver hundreds ow Watts. Also a 12V (car)battery of lets say 100Ah can easily get it all started.But a Pi based solution is...
View ArticleCamera board • Re: Copying frames during high-fps (120FPS) recording without...
One approach might be a variation of the dual_encode.py example in https://github.com/raspberrypi/picamera ... _encode.pyA simple version as below encodes the 1fps stream to an mjpeg file while the...
View ArticleBeginners • Re: Raspberry Pi 5 kernel
4.15 is very old. Why do you need such an old version?Statistics: Posted by jamesh — Sat May 03, 2025 9:38 pm
View ArticleGeneral discussion • Configuration file for eth0 (default config file)?
Freshly installed Raspbian 12 (bookworm - lite version) with default settings, connected via ethernet cable.I can see that OS did get (automatically) IP address assigned from my DHCP...
View ArticleGeneral discussion • Re: CM4 PCM1865 TDM 4CH ASOC
I've always believed that despite some software fields indicating otherwise, the BCM2711 can actually only support two channels with up to 32 bits each. Maybe a RPL person can confirm or correct me on...
View ArticleBeginners • Re: how to switch from wayfire to labwc
(1) sounds like a time saving plan, but if you do not do a apt list --upgradable (to see a list) you have already put your neck into the guillotine and the blade is on the way down. (2) I could not...
View ArticleNetworking and servers • Re: ssh issues with Raspberry Pi Model 4 B
I'm suspecting the display signals are interfering with the wireless networking, could be from the leads or the display itself.Or if you have any USB3 devices connected that is a favourite for messing...
View ArticleGeneral discussion • Re: Configuration file for eth0 (default config file)?
Use nmtui for networkmanager configuration but its highly unlikely there is a configuration problem, ethernet works out-the-box. Try a different ethernet cable.If you want to go beyond nmtui's...
View ArticleOther projects • live video streaming with 2 RPI zero 2w
hello everyone,I want to make an underwater drone with 2 raspberry pi zero 2w one in the control and one in the drone. these already have ethernet cable communication. now i am working on video...
View ArticleGeneral • Re: Inadequate DMA bandwidth for 32 bit HSTX?
All this is pointing to inadequate DMA bandwidth to feed the expander.How come? Have you measured the bandwidth?Can use Bus Performance Counters too see how much is congested (12.15.4.2. Performance...
View ArticleSDK • Re: Freeze/Deadlock in multicore when using malloc (again)
Ok, it turns out I made a mistake when copy/pasting stuff into the minimal example CMakeLists.txt - I had namely forgotten to copy the `pico_minimize_runtime` line, which ended up being the culprit;...
View ArticleWanted • WIFI Camera Recommendation for zoneminder
I'm investigating installing 'zoneminder' on my pi5 and was wondering if anyone could recommend a compatible camera that is1) WIFI connected2) battery poweredThanksStatistics: Posted by pluffmud — Sun...
View ArticleMedia centres • Re: Peppy player
Hi all,Hopeing someone might ahve encoutnerd the following issue and overcome it.I've been using Kandinsky edition for a few weeks now as I've a small PEppy setup with a 2.8 inch SPI touch screen. So...
View ArticleAutomation, sensing and robotics • Re: Brainstorm: super hi-Accuracy sensor -...
Just realized I didn't have links for more info on some of them:Sport Surfer wave set buoy monitor with personal alert – detect patterns of incoming wave sets and then alert you to the best wave...
View ArticleBeginners • Re: Restore kernel from a rpi-update
The kernel I would like to boot into is listed below: linux-image-6.12.25+rpt-rpi-2712. Code: apt --reinstall install linux-image-6.12.25+rpt-rpi-v8 linux-image-6.12.25+rpt-rpi-2712Statistics: Posted...
View ArticleHATs and other add-ons • Re: Can I connect multiple PCIe hats to an RPi5?
I'm waiting for my new Pi 5 8gb with active cooler and official adapter to arrive.I already have a few things:7" MIPI DSI Display LCD Touch Screen capacitivo 800x480 touchscreen display.A basic Audio...
View ArticleHATs and other add-ons • Re: Double ( and Quad) FPC PCIe HAT for Raspberry Pi
Is this related to your post here: https://forums.raspberrypi.com/viewtopi ... 3#p2313390 ?If so you don't need a PCIe switch as you're only intending to connect a single PCIe device.See my reply:...
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