Other programming languages • Re: How to create at jobs from a website...
Here's something that might help you get startedCode: <?php$at_time = "00:18";$at_cmd = "touch /tmp/flagfile";$at = popen("at " . $at_time, "w");fprintf($at, "%s", $at_cmd);pclose($at);?>Hmm, I...
View ArticleGeneral • Re: RP2040 pull-down resistance below data sheet ranges
What series resistor are you using?I've got an input signal that's ~28.5V when high, and I was using 470kΩ series resistors. I was seeing a 1.8V to 2V signal at the input.I have since changed to 200kΩ...
View ArticleRaspberry Pi OS • Re: NVME Base firmware upgrade
Looks like a fault with your M.2 addon or insufficient power for the SSD.Statistics: Posted by trejan — Mon Feb 12, 2024 1:11 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Problem with HDMI VC4 audio (channel...
To RPi devs: IMO the iec958 alsa plugin is not generating a correct multichannel PCM (non hdmi-mode) stream https://lore.kernel.org/alsa-devel/15fc ... a.com/T/#uAre you able to reproduce the issue...
View ArticleBeginners • Unable to Control Brightness on Raspberry Pi 4B Running Bookworm...
I'm encountering an issue with controlling the brightness on my Raspberry Pi 4B running Bookworm with the LXDE desktop environment. Despite trying various methods, I haven't been able to adjust the...
View ArticleGeneral discussion • Re: Blacklisted from official Facebook page and topic...
Those are two plastic snap in fasteners with a gentle spring, I can't see how these can bend a PCB if they are fitted correctly. Unless the PCB holes were in the wrong place, the fan/heatsink combo...
View ArticleBeginners • Octoprint & home assistant on same Pi5
Hello all. so i just realize i need to know allot about the rasberry pi5. first off i was given a pi5 8gb (board only). for xmas which i still havent recieved yet but i have been getting into Home...
View ArticleTroubleshooting • Re: tried to compile new kernel & modules from source,...
Yes, I saw that, but from the pages referenced, other than stock kernels and cross-compiling, I'm not sure that the script caters for changes invoked by a script such as "make menuconfig' without...
View ArticleBeginners • Need Help Setting GPIO Pin to Low During Boot-Up on Raspberry Pi 4B
I'm seeking assistance with setting a GPIO pin to low during the reboot, boot-up or power-on process on my Raspberry Pi 4B running Bookworm with the LXDE desktop environment. I've attempted to use the...
View ArticleGeneral • Re: Transfer data over wifi for pico for a high sampling rate
One more question. As I will be running usbtodisk.py in my pi 4, where will the dat be saved on pi?Automatically in memory card of pi 4?on stdout. just redirect the output with ">...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: USB interface between PC and Pi zero 2 w
Is there a way to use the micro USB port (not the power one) as a Serial or something similar?Yes. As long as you don't need the zero2w to be a USB host at the same time.This assumes RPiOS.Locate you...
View ArticleGeneral • Re: Multi-channel, multi-sample DMA ADC reads
Basically all you need is 2D DMA which matches the interlacing. Each channel gets its own memory location. You will need to use ping-pong to keep it going. Another DMA channel is likely required to...
View ArticleC/C++ • Re: C++ fgets behaving very oddly on Bookworm (no other environment...
fgets returns (on success) the value of its first arg (so, whatever type "msgbuf" is/was, that's the type of thing that fgets returns). Yes, I know this language is informal; don't bother nitpicking...
View ArticleAdvanced users • Re: What slows down the system startup?
Thank you for reply. pi@raspberrypi:~/rpi-tools/boottime $ sudo ./boottimeuptimes soc:366.046814 - linux:356.170000 == 9.876814I will try with serial console port but first I need to buy connector...
View ArticleGeneral • Re: WiFi configuration without a display
Yay! Not sure the reply is right but it's made 'ping' work ....Code: > 0000 : 00 00 0 ID > 0002 : 84 00 Reply : OP=0 AA -- -- -- RC=0 > 0004 : 00 00 0 QD Count > 0006 : 00 01 1 AN Count...
View ArticleHATs and other add-ons • Re: nvme base geekworm
i have the x1001, works out of the box, no configuration needed.https://www.amazon.nl/dp/B0CPLF6JYX?ref=emc_s_m_5_i_njust use a sd to install or clone to the nvme, then remove sd and it will boot the...
View ArticleBeginners • Re: Can not access internet but Wifi connected
Could you please tell me if I should set up Google DNS 8.8.8.8 or some other, like the IP address of my Wi-Fi router?Statistics: Posted by TuvBraen — Tue Feb 13, 2024 1:09 pm
View ArticleGeneral discussion • Re: Raspberry Pi IPO
The OS would cost more than the hardware it's running on.Sure, but anything else is not commercially viable. I'm not averse to dropping $100 to license a commercially viable productI strongly suspect...
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Other programming languages • JSCAD — JavaScript CAD in your browser
You might know OpenSCAD, a CAD system that uses programming to create models.JSCAD is a CAD system that runs directly in a browser, and is programmed in JavaScript.It is fast, and has documentation,...
View ArticleGeneral • Powering with Battery and USB Connected - Is this a solution?
Good morning,I am working on a project with a PICO W and need to power it with Batteries and have the USB cable connected. According to the documentation, it states a Schotkey diode can be used at the...
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