Troubleshooting • Re: Making a solar powered PI
The unit you're looking for is amp hours.If your setup consumes 5 amps and you want it to run for 5 hours, then you need a power source (battery/solar panel/generator/etc) that can provide 25 amp...
View ArticleSDK • Re: Using variable text is posible ?
Give it a try, but I guess the compiler will say 'no'.I would propose to use a third variable enum State as an indicator what the data are (not tested):Code: enum State { SILENCE, NOSILENCE};struct...
View ArticleGeneral discussion • Re: Lost Access Help
Have you set the new router's ssid, wifi password (and maybe IP range if static IPs) to match the old router?Even on a headless Pi it normally has an hdmi output.Statistics: Posted by pidd — Mon Apr...
View ArticlePython • Re: Script To Toggle Display Using a Physical Switch
@gordon77, I'm really new to this, but basically what I understand from reading that thread is, because my OS uses vc4-kms-v3d to drive the display via the kernel, 'vcgencmd display power' pretty much...
View ArticleTroubleshooting • Re: Troubleshooting Servo?
Ahhh I see. Unfortunately I can't seem to find anything on it's spec sheet or online regarding the servo signal levels so I'll have to trial the level shifter and see if it resolves the...
View ArticleAdvanced users • Re: Pi 5 SPI transaction latency under PREEMPT_RT and heavy...
Did you see any SPI collision issues or a xfer2 return without updating the result array with the Pi 5?I had a strange SPI soft failure that I believe might have been from 2 simultaneous Python spidev...
View ArticlePython • Re: pynput positions work in Thonny but not in Terminal python
Hi,Did you ever get to the bottom of this?I am trying to use pynput in a virtual environment. v'e installed pynput in the venv and using add remove programs.Works as expected in Thonny, but in...
View ArticleOfficial Display • Re: Original 7" + Pi3 Mod. B
Touch is working fine but it's not following the 180 deg. rotation.As standard install everything is upside down when you have the power connector for screen and pi at the top.If I change screen...
View ArticlePython • Re: Reading GPS
But for most GNSS devices used on the Pi, it usually connect the two power leads, and connect the TX/RX as you say.All the rest just works... normally. Right, but if it doesn't work then you need to...
View ArticleTroubleshooting • Re: Rpi5 Power Problems
Put your keyboard dongle on a usb extension lead to get it away from the Pi.Mmm well the keyboard (and dongle) in general works fine, even in other machines. But I don't quite understand your...
View ArticleTroubleshooting • Re: Resolution
viewtopic.php?p=2208705#p2208113. Please don't create duplicate threads.Locking this as the duplicate.Statistics: Posted by 6by9 — Tue Apr 02, 2024 2:38 pm
View ArticleDevice Tree • Re: Unable to load gpio-ir with dtoverlay command
Many thanks for the answer. Yes my workaround worked. I added the following ExecStartPre statement to my IR daemon service script.Code: ExecStartPre=dtoverlay gpio-ir gpio_pin=25. It was also...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Working example of a button with the...
If you are using the latest gpiod (v2.1.3) from PyPI then the examples in the libgpiod source tree should work for you - you just need to modify them to select the correct line.You can check what...
View ArticleDeutsch • Re: RPI 4b 1GB Ram nicht mehr erreichbar
So jetzt kam ich zu einer neuen Erkenntnis, ich kann die Speicherkarte an einem anderen PC auslesen, jedoch werde ich aufgefordert, die Speicherkarte zu formartieren, was aber laut Windows alle Daten...
View ArticleGeneral discussion • Re: A Pi Pie Chart
Comparing the Geekbench 6 results for the 24-core M2 Ultra Mac Studio with the 24-core Ryzen Threadripper 7965WX yields 21450 versus 23654 respectively based onhttps://www.cpu-monkey.com/en/cpu_bench...
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Camera board • Re: raw .dng video and Pyqt5 ThreadPoolExecutor/QThreadPool?
I'm bringing this post up because I saw that Therealdavidp was around... Statistics: Posted by davebixby — Tue Apr 02, 2024 3:01 pm
View ArticleBare metal, Assembly language • Is this blinker code supposed to run any...
Code: ...ldr r2, =0x3FFFFFFFmov r4, #0delay: add r4, r4 #1 cmp r4, r2 bne delayblinker: mov r4, #0 cmp r3, #0 beq led_off sub r3, r3, #1 / led ON /led_off: add r3, r3, #1 / led OFF / And I measure:...
View ArticleBeginners • Re: RPi5 screen saver
Just found a screen saver for GNOME - go to:Menu | Preferences | Add/Remove Software | gnome-screensaver | Apply | etcI have installed it but have not enabled it yetStatistics: Posted by will69 — Tue...
View ArticleSDK • Re: Elegant ways of documenting changes in SDK for publishing project
It requires replacing and/or commenting out lines of code. Hmmm, inside CMakeLists.txt replaced:Code: include(pico_sdk_import.cmake)with:Code: set(PICO_SDK_INIT_CMAKE_FILE...
View ArticleGaming • Geforce Now on Rasperry Pi
I've noticed several past discussions (now locked, prompting this new thread) expressing doubts about the feasibility of running GeForce Now on a Raspberry Pi. Well, I'm here to share some exciting...
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