Camera board • Re: Need camera & lens recommendation. Losing eyesight....
Based on the WVGA screen width and the clearance distance, you are looking for a camera with a Horizontal Field of view of about 28deg wide.The compact V2 V3 camera modules are quite a bit wider in...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Configuring UART ttyAMA3 on CM4 module
Is there a chance to prohibit pi4j doing this? No - pi4j bypasses the kernel and talks directly to the hardware.Or shall i overwrite my pin definition file, so that it do not know these pins are also...
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Graphics, sound and multimedia • Re: RPi OS music player
Well you could always role you own. It's not that hard:RPiOS lite (or Desktop with auto login to the desktop disabled)MPD for local playback or shairportsync (or whatever it has been forked/renamed...
View ArticleAutomation, sensing and robotics • For which Raspi versions can the rpi-lgpio...
I am using the rpi-lgpio module on a Raspi 5, and all works well.Bet I can't get it to work on a Raspi 3. Using the same code, It fails with message "No module named 'RPi'".Does anyone know: does...
View ArticleTroubleshooting • Mouse cursor and Taskbar have disappeared
Have asked this in RetroPie Forum but suspect they will tell me too come here so here I amDevice Pi3 B+os retropie 4.8.4Was working fine a few days a go.Ok so basically I booted in too desktop via F4...
View ArticleMicroPython • Re: Frequency counter stops after while
While using PWM for measuring low frequencies is enough, there's no reason not to use the PIO counter if there are unused state machines and has the advantage of having a better resolution for a given...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: 1mhz square wave
1 mean 1Mhz.Can anyone show me the equivalent code in gpiozero and lgpio?Thanks.Statistics: Posted by Al98 — Thu Feb 29, 2024 1:34 pm
View ArticleUbuntu • RPi 4 or RPi 5 for ROS2? I'm new to ROS2
Hello, I was wondering if I should get RPi4 4gb or RPi5 4gb for ROS2. The RPi5 is like $5 more than the 4 and I would like to get it if I can get everything working with ROS2. I have seen where people...
View ArticleMicroPython • Re: What can cause random 10 mSec pauses during run
Just tried the gc test code on a pico-w running web-repl ('cos that's what is on it ATM) and get gc times of about 640uS .removing web-repl I get back to 430uS peak.Statistics: Posted by BillTodd —...
View ArticleUbuntu • Re: RPi 4 or RPi 5 for ROS2? I'm new to ROS2
Some info here: viewtopic.php?t=361746Statistics: Posted by rpiMike — Fri Mar 01, 2024 12:39 pm
View ArticleTroubleshooting • cant use alsa library on raspberry pi 5
I bought raspberry pi 5and I want to implement loopback using the alsa library in pi5.but I cant that.my c source code is here.Code: printf("alsa start\n"); int err; snd_pcm_t *capture_handle,...
View ArticleCamera board • Re: AeEnable how to activate/desactivate ?
Ah, I think I might be seeing the problem. It's not 'ScalerCropMaximum' that you want to use, you need to find the maximum allowable crop **for the output size that you've requested**. You will find...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: CM4 DSI1 + SN65DSI83 Bridge based...
I get some parts from i2c0-overlayCode: /* * vc4-kms-dsi-ti-sn65dsi83-somepanel-overlay.dts *//dts-v1/;/plugin/;/ { compatible = "brcm,bcm2835"; /* PWM0 function */ fragment@0 { target =...
View ArticleGraphics, sound and multimedia • Re: Playing VLC on local HDMI using ssh
Not sure if I have understood it correctly, but using Bookworm 32-bit LITE, with vlc installed, and connected to an HDMI monitor, I log in to the pi and use cvlc to play am mp4 on that attached HDMI...
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MicroPython • Re: How to exit gracefully from the second Pico thread ?
I do like this and it works ! It seems that in the first example the EndFlag was passed by value, not by reference...By the way, is there a method to know when a thread is terminated ? Or wait for it...
View ArticleBeginners • Expansions
I have a friend who has a raspberry pi 4 and I want to get him some complements for it for his birthday.An idea I have is getting him a pack of sensors. I was wondering, can the raspberry pico sensors...
View ArticleSDK • Re: Export labels from pioasm to C code
Excellent, exactly what I was looking for, thanks.Regarding the 'origin' statement, isn't that the case with .wrap too? The assembler generates code to add the loaded offset to the wrap statements, so...
View ArticleBeginners • Could I get some help with Samba please?
I am not sure which part of the things I have done is not right.I have played a bit, but never really done anything LAN.I have a Pi 4 with Libreelec on it.I now have a Pi 5 that I am using as a...
View ArticleGeneral • Re: Pico with Sensors of 5V
hi,after some search, I found the datasheet of the sensor - https://wiki.dfrobot.com/_A02YYUW_Water ... KU_SEN0311In previous answer, you have mentioned that we should not connect any sensor which...
View ArticleFrançais • Re: Blog Auto-hébergement sur Raspberry Pi k-sper.fr
Un nouvel article sur la sécurité de son dispositif auto-hébergé, pour ceux que ça intéresse :https://www.k-sper.fr/index.php/2024/03 ... -securite/Toujours à l'écoute de vos remarques.Statistics:...
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