General • risc v push pop alignment and other questions
So the risc v compressed push and pop instructions align the stack to 16 bytes boundaries As far as I can tell this is because on certain processors, there's the possibility that 128bit values...
View ArticlePython • Re: PIR false positive when sending mail
Sorry, here the rest of the code here belowThe goal is to control a holliday location where nobody is supposed to be and deactivate the system on distance before arrival Code: def sendvideo(temps):...
View ArticleGraphics, sound and multimedia • Re: Powering LCD display and RPi 4 with a...
https://shop.pimoroni.com/products/pico ... 4144542154Statistics: Posted by aBUGSworstnightmare — Tue Nov 05, 2024 2:34 pm
View ArticleBeginners • Re: Kiosk tutorial does not work with labwc
had same problem switching from wayland to labwc, here is how i autostart chromium and hiding the default desktop (homeassistant touchscreen wallpanel)Code: /usr/bin/lwrespawn /usr/bin/pcmanfm...
View ArticleTroubleshooting • latest (today updates) kills chromium
After todays update choromium not working i rebooted several times. no luck. Pi 4 and Pi 5 same Firefox workingStatistics: Posted by haaldemir — Tue Nov 05, 2024 2:37 pm
View ArticleTroubleshooting • Re: latest (today updates) kills chromium
Launch chromium-browser from a terminal window (on the desktop) and report any errors that are reported.Statistics: Posted by dom — Tue Nov 05, 2024 2:39 pm
View ArticleClik here to view.
General • Re: RP2350 compatibility and performance - first tests
I did some such comparisons in Python (running on single core),630 MHz is a little bit extreme (voltage and current), but can easily do let's say 2x400 or 2x533.Tested also RISC-V, it goes like in...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: UART over GPIO 14/15 on the Raspberry...
I didn't know about dtoverlay=uart0-pi5. I tried that like so with and without the dtparam=uart0=on commented out to see if there was a conflict there. No luck either time after a reboot between the...
View ArticleMicroPython • Re: MemoryError: memory allocation failed, allocating 8192 bytes
the only problem I am currently encountering is that the RAM memory is filling up. and I have found where that happens, I just don't know how to solve it.How to solve it would depend on why it is...
View ArticleTroubleshooting • Launch Chromium on startup
Hello all. I don't post to forums very often so I apologize in advance if I'm not posting in the correct place or if I'm lacking some information. I'll try to include as many details as I can. Okay,...
View ArticleCamera board • Getting started with RTSP Stream on RPi 5
I have an RPi 5 8Gb running headless on the latest Raspberry Pi OS available via the RPi Imager with an RPi Camera Module 3 Wide connected. I'm simply trying to get it configured to stream RTSP.After...
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • Re: Looking for i2C Displays which are...
??? Sorry, don't get the logic why an SPI display with dedicated chip select signal is not 'addressable' but who I'm I to judge?I would make use of SPI displays like in...
View ArticleGeneral • DMA ring_size?
I am working with the DMA features of RP2040 and find the RP2040 Datasheet a bit lacking with the description of DMA ring_size.RING_SIZE: Size of address wrap region. If 0, don’t wrap. For values n...
View ArticleBeginners • Re: Pigpio initialization error while try to run LoRa c codes
I have run the comand Code: apt install pigpioand get response Code: root@Database:~# apt install pigpioReading package lists... DoneBuilding dependency tree... DoneReading state information......
View ArticleHATs and other add-ons • Re: AI Kit + NVMe SSD ?
Well you asked "What kind of frame rates can I expect", that post above yours clearly shows that going down to gen2 gives big drop on framerate. That alone answers your question. Also if you want any...
View ArticleTroubleshooting • R.Pi 4 booting issue with Android and Dual screen
Using R.Pi. 4 B+ 8Gb RAMOS: Lineage OS 21Monitor/s: Makerobot/Goolsky same as https://www.amazon.ae/Goolsky-Raspberry ... B07ZFZPVXSThat have HDMI input, micro USB power and micro usb touch inputThe...
View ArticleBeginners • Re: How to connect RP to industrial machines to calculate OEE?
To connect a Raspberry Pi to industrial machines for calculating OEE, you can use opto-isolators to safely interface with the machine's signals. Ensure the voltage levels are compatible with the Pi's...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi 4 model B external I2S...
MAX98090 driver is not enable in the def_config --> will require you to compile a custom kernel (check Device Drivers > Sound card support > Advanced Linux Sound Architecture > ALSA for...
View ArticleTroubleshooting • Re: startx equivalent command for labwc
labwc-piStatistics: Posted by dom — Wed Nov 06, 2024 3:07 pm
View ArticleBeginners • Re: Safely turn off Raspberry Pi 4 Model B whilst not attached to...
If you can't use GPIO3 and/or, looking for something a little more visual, here is what I use. I have it set up to run as a SYSTEMD job so the blinking LED is not seen until the job is started. Not...
View Article