General • Re: Official Documentation not clear on RTC backup battery ?
It appears the Panasonic ML2020 is not suitable for trickle charging (but that is not what is used in the offical RTC backup battery).Hmmm, I just bought this : https://shop.mchobby.be/en/raspberry-pi...
View ArticleGeneral discussion • Single Core Benchmarks
Whetstone Benchmark - whetstonePi64g8 and g12 Vector Versions - Whetv64SPg8 and g12, whetvDP64g8 and g12 This has a number of simple programming loops, with the overall MWIPS rating dependent on...
View ArticleAdvanced users • Re: How to check the pi4 official fan's status?
The official Pi 4 fan has no tacho output so no speed monitoring. It is PWM capable according to the product brief but the stock config uses the gpio-fan overlay which is only binary on/off control...
View ArticleTroubleshooting • Re: Autostart file not working at all
I have the same problem!My new raspberry pi 5, with the newest os. I have tried with both 32 and 64 bit os, with the same result./etc/xdg/lxsession/LXDE-pi/autostart don't start a simple...
View ArticleMicroPython • Re: Pulling data from url?
Obviously you use ET xml.etree.ElementTree as a xml parser. Perhaps you need an import for this.I've yet to come across that for MicroPython...Statistics: Posted by emersonsc — Tue Jan 16, 2024 2:47 pm
View ArticleCamera board • Re: When using libcamera accessing the camera buffer is very...
I will take a look, thanks. However, the sample app I was using is using the buffer allocator that is provided by libcamera. Why on earth would it be allocating buffers that are impossible to access...
View ArticleFrançais • Re: Raspberry Pi 5 ventilateur qui ne s'arrête plus lors de l'arrêt
Si le ventilateur n'est pas contrôlé par le RPi (cas du RPi à l'arrêt), il se mettra, comme celui d'un PC, -qui fond un bruit infernal au démarrage- à la puissance maximale; C'est, me semble-t-il, une...
View ArticleGraphics, sound and multimedia • Re: Question about v4l2 bcm2835-codec...
H264 only ever describes the range and conversion parameters used as metadata. The encode/decode process should never change the pixel values beyond that due to the compression quantisation.In the...
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HATs and other add-ons • Re: Right angle mounting Pi Zero 2W?
Why not?I'm also using right angle pinheaders here and thereJust make sure you put it on the right side of the board so pin 1 remains pin1!Statistics: Posted by aBUGSworstnightmare — Tue Jan 16, 2024...
View ArticleBeginners • Re: vc4drmfb second framebuffer
DRM framebuffer emulation creates one framebuffer per DRM card.All outputs of vc4 are part of the same card, and therefore share one framebuffer.If you want 2 different buffers to be displayed on the...
View ArticleTroubleshooting • Re: Raspberry pi boots with only one kind of OS
Yeah, not sure how I mixed that up. I suppose this page is more clear:https://en.wikichip.org/wiki/arm/armv8Statistics: Posted by breaker — Wed Jan 17, 2024 2:41 pm
View ArticleWeather station • Re: looking toward fabing a . . .
Well, DHT11 can "measure" down to 0C (used to indoor heating)BME680/SHT45 can measure down to -40C . Other issue is that they can be **stored** down to -40C -perhaps they were not tested below-w/r I2C...
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Other • Re: PiLFS and SARPi
For original Raspberry Pi B:PiLFS: Super light, complex setup, no GUI.SARPi: Easier install, some GUI, less lightweight.NetBSD: Stable, diverse packages, steeper learning curve.Consider DietPi or...
View ArticleGraphics programming • Re: Can't get writeback connector to write anything...
Adding to that: Is there any viable alternative, given my program is acting as a drm master? I figured maybe I take the frame buffers currently being presented on the screen, map all their handles (in...
View ArticleOff topic discussion • Re: Interview of Eben on The Register
Maybe there will be a follow on to the RP2040 with a better A/D converter and 1.5 MB RAM. That would be enough to emulate the original IBM PC and hardware of a similar vintage.Fingers crossed for...
View ArticleTroubleshooting • RasPi5 audio without EDID?
RasPi5 with official power supply, case, cable and SD card.Sound and video work fine on the family TV.I have a fault in my HD monitor which means it does not supply a valid EDID.Starting my RasPi5...
View ArticleCamera board • Re: Purpose behind of raspberry pi sbc
"I know broadcom cpu doesnt have much capacity"That is nonsense.you need to read the benchmarks published by Roy LongbottomStatistics: Posted by mahjongg — Wed Jan 17, 2024 2:57 pm
View ArticleCompute Module • Re: LAN7500 and CM4
I totally agree with you, 480 is better than 100.It won't do 480Mbps. It'll be somewhere around 300Mbps due to protocol overheads etc...Is the PCIe interface already used in your board?Statistics:...
View ArticleGeneral discussion • Re: Which RP would be best for my needs?
But I would find it a shame of all the work if it turns out that the hardware is not suitable for the purpose.Get the Pi 5 with the largest amount of memory you can afford. Big databases like lots of...
View ArticleRaspberry Pi OS • Re: How to rename root partition on Rpi5
aliases are not normally expanded in scripts. (I.e., only in interactive shells)Note that OP didn't explicitly mention "scripts", but that is the inference I took from his posts.I should have read...
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