General • 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...
View ArticleAI 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...
View ArticleDevice 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 ArticleBeginners • Surely simple networking help please!!!
HiI have a Raspberry Pi 5 upon which I have installed RpiOS lite.I have a quectel 5g modem/hat which connects to the pi via usb. Eventually I want the pi to function as wifi hotspot > 5g lte modem....
View ArticleRaspberry Pi OS • Re: Forcing a Desktop Screen Resolution, on Raspberry Pi...
'D' will force the display to be enabled and use digital output. This is useful for outputs that have both analog and digital signals (e.g. HDMI and DVI-I). For other outputs it behaves like 'e'. If...
View ArticleMicroPython • Re: New Raspberry Pi Pico 2 not retaining files
Hello,I'm completely new. I'm trying to use Raspberry Pi Pico 2 and it's not behaving.I can successfully upload the RPI_PICO2-20241025-v1.24.0.uf2 file on the Pico using either Thonny or just with a...
View ArticleMicroPython • Re: MicroPython: How to wake Pi Pico / Pico W / Pico 2 from...
I would have tried this:Code: button.irq(trigger=Pin.IRQ_FALLING, wake=machine.SLEEP)# orbutton.irq(trigger=Pin.IRQ_FALLING, wake=machine.DEEPSLEEP)Statistics: Posted by SurferTim — Thu Nov 07, 2024...
View ArticleRaspberry Pi OS • Re: "Raspberry Pi OS 6.6" - Says who ?
Current downloads say Kernel 6.6Yes, but that's not a great way of referring to the PiOS version.Bookworm started off with 6.1 kernel, is currently 6.6, and may be updated to 6.12 before trixie...
View ArticleTroubleshooting • Re: Raspberry Pi 4 // Trouble Outputting to a 1280x400 Display
Bleh, typo with the _ instead of +.Best option is to fix up the EDID as none of the other mechanisms work under all circumstances.You're unlikely to be able to actually reprogram the monitor itself,...
View ArticleCompute Module • Re: MMC Kernel crash
Can reproduce the same on the newest Kernel.Code: [ 135.004566] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP[ 135.010931] Modules linked in: cmac algif_hash aes_arm64 aes_generic...
View ArticleSDK • Re: Advice requested with running VS Code on RPi 4
What version of Raspberry Pi OS are you running on your Pi 4? Currently, the extension is only compatible with 64-bit Bookworm, so won't work correctly if you're running an older or a 32-bit OS.Also,...
View ArticleMicroPython • Re: Pico W _thread OSError: TinyUSB callback can't recurse
I have also found threads to be unreliable when used incorrectly.My test shows without a main loop, the program crashes.Try my simple example above. Run it like it is, it does fine.Remove the main...
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