General • Re: RPI pico 2 sleep mode
People reported the pair from https://www.aliexpress.com/item/1005007738886550.html is good (it is probably targeted for building splitted two part keyboard) Most older boards from other sellers may...
View ArticleRaspberry Pi OS • Re: labwc
Just got enticed to make the switch to labwc and after the reboot I can no longer log in using the GUI.ctrl-alt-F1 followed by the same credentials works fine.Back to X it is for me, I'll try again in...
View ArticleTroubleshooting • Re: DHT 11, not working how I need it to work
The problem is that once I’ve set everything up and the Pi is placed in a hard-to-access location, I won’t be able to activate the virtual environment easily.I don't understand this. Starting a Python...
View ArticleAdvanced users • Re: CAM/DISP Port on RPi5 connecting a 39 Pin MIPI Display
might be well over your head but let me give you some feedback:- there is no generic spec for MIPI DSI displays pinouts/number of signals etc. as all of them are made fur purpose- make sure to have a...
View ArticleAI Camera - IMX500 • Re: When AI Camera is connected, Raspberry 5 turns off...
Can you try a different power supply?Statistics: Posted by jamesh — Tue Nov 05, 2024 9:50 am
View ArticleC/C++ • Re: Cross compile using cmake
Thanks. Been experimenting. CMAKE_STAGING_PREFIX helped a lot. I had actually built with sysroot at the base. I'll show the generic xgcc as it has less options..Code: foo@sdu:~/usr/src/QT$...
View ArticleTroubleshooting • Re: Comparison of Periodic Processing on RPi4 and RPi5
What kind of information would allow for more discussion, for example?Pretty much anything, cos what you've said so far is basically nothing.At a minimum, some idea of what functions are being called...
View ArticlePython • Re: BMP280 library
Thanks to some pointers from those on this thread, I got my bmp390 sensor working on micropython and you can see it here:https://github.com/bradcar/digital-alti ... -sensor.pyI used the 2022 library...
View ArticleGeneral • Re: PT52-Lua The Modern Retro computer
Hello,I missed this announce.It seems you made much progress in terms of functionality.Keep up with this great work!Statistics: Posted by CHiPs44 — Wed Nov 06, 2024 8:56 am
View ArticleCamera board • Re: Increase exposure time to avoid banding lights
You could try setting the exposure time to exactly 10ms and see if the image is acceptable, or if it's over-exposed. In the latter case, I think adding an ND filter sounds like a good idea.Statistics:...
View ArticleAdvanced users • Re: HTTP boot mode boot.img reference design
Thanks a lot timg236 for this quick and detailed answer and especially the 2 off the shelf projects you mentioned, that seems completely in line with my initial expectations !I explored the way...
View ArticleCamera board • Re: OV5647 not functioning with Raspberry Pi 4.
Please continue the discussion in the github issue you opened at: https://github.com/raspberrypi/libcamera/issues/203Statistics: Posted by naushir — Wed Nov 06, 2024 9:04 am
View ArticleBeginners • Re: How to determine if the device is compatible with the Pi Zero...
Power as in electrical power to the device or processing power?If the former there is no limit other than the current carrying capacity of the tracks on the PCB.Statistics: Posted by drgeoff — Wed Nov...
View ArticleGeneral • Re: N phase shifted pwm signals
Just do this on the CPU using DMA and PIO.Talking through the look up table (lut). You have 4 pins, each pin has its own bit sequence table within a 8-bit parallel write. There are 10 steps per...
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AI Camera - IMX500 • Can't transform .keras file with imx500-converter[tf]
Hello,I tried to transform the .keras model according to the following document on windows.https://developer.aitrios.sony-semicon. ... _converterEnvironmentOS: windows 11 pro,python: 3.11.2Tensorflow:...
View ArticleCompute Module • Antenna Pattern and Schematic for FCC certification
Hello,we need to get documentation of the internal antenna and CM4 schematics for finishing FCC certification.Our device is handheld type which mean current FCC certification is not enough and must be...
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Device Tree • Re: How to enable CS high
Then changed the overlay for having CS configured ACTIVE_HIGH (cs-gpios = <&gpio 8 0>; 0 is the GPIO_ACTIVE_HIGH; also requires 'spi-cs-high' in the SPI device node (the 4in panel in my...
View ArticleTroubleshooting • Re: Unable to Activate USB Boot on Zero 2W
Did you remember to reboot from the microSD card after modifying your config.txt file?I did. I've come at it from several angles, always the result is 3020080a.The Pi documentation says if the...
View ArticleCamera board • Re: Raspberry pi 5 cannot connected with kamera v2 or V3.
Hi,unfortunately it didn't work after trying like your description. I have bought a new Raspberry pi 5 to check it with it, unfortunately the same issue. I will also try to buy the new camera module...
View ArticleRaspberry Pi OS • Re: Forcing a Desktop Screen Resolution, on Raspberry Pi...
Add below to the beginning of cmdline.txt, make sure all remains on a single line.Code: video=HDMI-A-1:1920x1080M@60Dscreen needs to be connected to HDMI next to USB-C.As said, make sure you've not...
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