SDK • target_link_libraries
After scouting around quite a bit, I found what I needed to insert into target_link_libraries (in order to use MQTT). pico_lwip_mqttIf I had been smarter / more experienced with this environment -...
View ArticleAutomation, sensing and robotics • Re: DS18B20 no longer reporting
Could be a coincidence, but I recently got the same error and the entries for my 1wire DS18b20 temperature probes don't show up in /sys/bus/w1/devices. I had also been running a Pi4 with two of the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: For details on how the LAN LEDs are...
I did some additional testing at while adjusting the Ethernet link speed using ethtool to set different modes. Here's what I observed (sorry, formatting tables is...
View ArticleTroubleshooting • Re: Upgrading from 3B+ to 4 or 5
Enlightenment dawns. That's excellent news.Thank you all for the advice.Statistics: Posted by SKarp — Tue Dec 17, 2024 4:44 pm
View ArticleMicroPython • Re: 2 cores
... I'm not understanding why there isn't some help in the silicon to help co-ordinate a bit. I'm not looking for CPU style protection stuff, but maybe a bit of shared memory or flags?There's no OS to...
View ArticleTroubleshooting • Re: Bluetooth pairing
It is often impossible to fix something like this that is buried in bluez and not under user control. If you want a simpler approach that avoids bluez, my Bluetooth library and the code below will do...
View ArticleGeneral discussion • Re: VLAN config NMTUI Bookworm
There is enough documentation including examples I remember from 3 years ago or so. But you need to think where to get it and not leave it all up to AI and/or search engines. That won't work as there...
View ArticleTroubleshooting • Re: Unable to Use UART Communication After Disabling...
Which UART is routed to GPIO 14 and 15 varies depending on (among other things) whether bluetooth is enabled in device tree or not.Change your code to use /dev/serial0. That should always be a symlink...
View ArticleTroubleshooting • Re: Raspberry pi 5 green light flashing.
https://www.raspberrypi.com/documentati ... lash-codesStatistics: Posted by gordon77 — Wed Dec 18, 2024 4:21 pm
View ArticleOther projects • Re: DIY Raspberry Pi Multispectral Imaging Camera System
This looks fantastic. I can't give it the attention it deserves owing to the fact I'm currently subject to an increasingly fierce campaign by my kids over the fact that I still haven't got any of the...
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Interfacing (DSI, CSI, I2C, etc.) • Re: External Camera Support
I wanted to update that I was able to work with the HDMI to CSI adapter.I started from scratch and eventually everything works.Thanks for the support. it was not easy Statistics: Posted by erez8 — Wed...
View ArticleRaspberry Pi OS • Re: Installing new software directly to an image in a...
One difference is that you are using a 64 bit image, while mine is 32 bit (that's what "armhf" means, right?)Anyway, do you know where the signatures are stored? What is it actually complaining about...
View ArticleAdvanced users • Re: NUMA Testing
I have some weird problem that might be related to NUMA: On a Pi5 (didn't test on Pi4 yet), showing a 10bit HEVC 4K video on a single DRM plane flickers (see short video here), assuming the following...
View ArticleTroubleshooting • Re: Raspberry 5: Process irq/161-mmc0 causing heavy cpu load
Hm. The host is probing at 100kHz. It's almost like the card-detect line is stuck. One last command:Code: watch -n 1 "pinctrl get | grep SD_"Are the values for SD_FLG_N and/or SD_CDET_N both "hi"? Do...
View ArticleGeneral • Re: Debug JST sockets for Pico 2 W
Just use header pins?I may end up doing a construct of my own yes.Statistics: Posted by Slion — Wed Dec 18, 2024 4:46 pm
View ArticleOff topic discussion • Re: how to make rotary style switches work for radio...
If you want to retain the spirit of the old radio I would use an amplifier with a volume potentiometer and fit that pot into the radio in place of the original.A bigger question is what audio do you...
View ArticleGeneral • Re: PT52-Lua The Modern Retro computer
I will copy that one to the SD to try!How does one use the draw library. It reminds me of the old TRS-80 models with Extended basic, a ROM basic. To draw a circle on that, you did the formatCode:...
View ArticleMicroPython • Re: Lets talk about lightsleep on PICO
I can test and measure on both RP2040 and RP2350.I can also control the registers directly from debugger.So far, I cannot see any measurable difference on RP2350.Statistics: Posted by gmx — Wed Dec...
View ArticleTroubleshooting • 2.4 Ghz receivers bad range in RPI only
I've recently bought a cheap keyboard-and-mouse controller (KMC) to use for my Raspberry Pi 5 4GB. I've recently updated my pi using raspi-update (or upgrade?) to use the new boot system. Once I...
View ArticleBeginners • Re: How many LEDs can a Pico Power
I have been unable to readily find the maximum current rating for the Pico.However, you don't need an opto-isolator to control a LED. Use a transistor as shown in this post. Connect the collector of...
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