General discussion • Re: Is This Raspberry Pi Zero W Board Fake? Differences...
Pi zero uses Package-on-Package, where the main chip has the Broadcom processor underneath and SDRAM on top.As such you see the package markings of the SDRAM.Nanya and Micron are both SDRAM...
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Beginners • Re: raspberry Pi as printer server
I suspect that to get something that draws as much power as a printer to work of a Pi zero, it will need an external power source both for the printer itself and the USB.The printer in question is a...
View ArticleAI Camera - IMX500 • Instructions for AI Camera (RP2040) firmware update
Disclaimer: Do not unplug or disturb your Raspberry Pi or camera device while flashing new firmware. If you do, it will brick the camera and will be unusable. If you are uncomfortable doing this,...
View ArticleGeneral discussion • Re: Pi 5: Kali Linux (from RPI Imager) stuck in 640x480...
So did you try a standard Raspberry Pi OS on these older monitors? Did that work?Statistics: Posted by jamesh — Wed Oct 16, 2024 11:17 am
View ArticleAI Camera - IMX500 • Re: AI Camera & Zero 2 / camera not avilable
I've managed to get hold of some production units now and it does seem like the RP2040 firmware on some units is out-of-date. This will case problems with auto-detection and missing cameras that folks...
View ArticleGeneral • Re: RP2350: delicate details about PIO instructions
Note that this is done when the state machine is not active. I'm not sure if the exec() is available while it is running already. For example, if state machine is blocking in wait(), could it be made...
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General • Re: Pico W overheating/fried using servo driver board
Oke doke - first, waveshare sent the correct schematic: https://www.waveshare.net/w/upload/0/06 ... er_Sch.pdfSo yeah - the linked schematic was for a different product - this appears to be correct...
View ArticleAdvanced users • Re: Has anyone ever deployed a reliable BLE Peripheral on a...
Disconnection after 5 seconds often happens because the server does not comply with the client's security requirements. Try Just Works first, then a passkey option (local or remote), and then passkey...
View ArticleGeneral • Re: Differences in DMA behavior between RP2040 and RP2350
Yes, LDRB and LDRW will load bytes and halfwords (16-bit) respectively.There's no penalty on doing byte access at any address, so no advantage to storing byte values in word-sized memory.The thing...
View ArticleRaspberry Pi OS • Re: legacy on a rpi5, is this possible?
You can just run the python program as is on the Pi5, it doesn't need a virtual environment (venv) as all the modules should eb standard system modules. If you wanted it in a venv then you need to...
View ArticleAdvanced users • How to sync 4 Raspberry pi's
Hello alldoes anyone have any suggestions of how to sync the time of 4 pi's over the network within 10ms of each other they don't need to be that accurate to UTC just to each otherThanksStatistics:...
View ArticleGeneral discussion • Re: CE Marking
The relevant product safety standard for an end-product depends on the type of product, so the IEC 60335 series covers "Household and similar electrical appliances", whereas there are other standards...
View ArticleBeginners • Re: Want to create pattern generator?
The GitHub example I posted earlier creates PM5544 using SVG graphics….I wish I could say this 'out of band'...I think you posted an excerpt showing the use of SVG, not the link to the Repo?Ref:...
View ArticleAdvanced users • Re: libgpiod version [SOLVED]
Any command that can be provided to the gpioset interactive mode will work and can be sent by any process with access to the pipe.I am not convinced that helps with the numerous 'when button pushed...
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SDK • Re: Declare a 128Kb array with 128Kb alignment on an rp2040?
Ah, there is a recent edit, thanks ! EDIT: the objective is to enable an external 16-bit address to be translated to the address of a uint16_t using minimal PIO instructions.So it looks like an...
View ArticleAdvanced users • Has the "usb_max_current_enable" boot option been...
I am looking for a way to increment the current an USB-powered speaker receive.In the forums I found the indication to add the "usb_max_current_enable=1" to the config.txt file, but the documentation...
View ArticleDevice Tree • Re: Configure overlay for SPI in kernel 6.8
This will completely disable the spi0.1 and I still want to use it. As explained in the comment Code: // No data on /dev/spidev0.0 sets pin to default state, allowing sending data to rear panel. //...
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General discussion • Does debug probe use GPIO Pins 7, 8, 15, 16
Not sure where to post questions about debug probe for Pi Pico, hope here is OK.I am using the debug probe (with probe-rs on a mac, from Rust Rover and VS Code) with my Pi Pico, successfully.It uses...
View ArticleAdvanced users • Re: Has the "usb_max_current_enable" boot option...
"usb_max_current_enable" is specific to Pi 5. You can check if it supported using vcgencmd:Code: $ vcgencmd get_config usb_max_current_enableusb_max_current_enable=1Statistics: Posted by PhilE — Thu...
View ArticleGeneral discussion • Re: Level-Shifting & Voltage-Translator
There are a huge number of alternatives all with their own pros and cons. Some don't auto detect direction, some drive more current, some are cheaper, some more expensive, some provide isolation, and...
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