General • Re: DMA pacing timers clock source
I am measuring the period. There appears to be some jitter in the duty as you would expect, but the observed frequency is constant, and slightly less than desired.Statistics: Posted by timchinowsky —...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
For others who like to imprison their Pi5, I just got email from Pimoroni today.From the product announcements "HatDrive! Nano for Raspberry Pi 5" stands out:https://thepihut.com/products/hatdrive-...
View ArticlePython • Re: Using Python to patch a binary.
P.S. the usual way of doing it, being to program a temporary website to enter the credentials is just too much code for my weak ESP device: i am already a the max of code memoryThe Espressif module...
View ArticleTroubleshooting • Re: Raspberry Pi 4, no output to VGA monitor
Thank you 6by9 for the guide,Code: $ kmsprint Connector 0 (32) HDMI-A-1 (disconnected) Encoder 0 (31) TMDSConnector 1 (41) HDMI-A-2 (connected) Encoder 1 (40) TMDS Crtc 4 (105) 1200x720@59.87 69.500...
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Beginners • Re: Chromium requires password
I tried to remove gnome-keyring but it would remove whole gnome with it So I found this https://askubuntu.com/questions/867/how ... ng-on-boot and it works now I just set blank password in...
View ArticleAdvanced users • AMA0 RS-485 mode
Hello,I have a problem with using RS-485 mode for the AMA0 port. It seems that the community has added support for RS-485 for this port, so I no longer need to use my own workaround to get it to work....
View ArticleTroubleshooting • Re: RPI5: 5V Power Supply leads to undervoltage errors and...
We used these cables: https://www.amazon.com/Fasgear-Delivery ... r=8-3&th=1 (rated for 5A) and cut them to access their power and ground lines and then we powered it through the Pi's USB-C port....
View ArticleCamera board • Re: Recording video using Picamera2 while other code running
Here's my new code implementing threading instead of multiprocessing:Code: import timeimport cv2import numpy as npfrom picamera2 import Picamera2from picamera2.encoders import H264Encoder,...
View ArticleAdvanced users • Re: Random query: Pi 5 booting - what do these lines mean?
BL31 is part of Arm Trusted firmware and provides the PSCI services for the kernel.Thanks. So that's some sort of secure firmware running on the ARM side of the SoC. Is 'firmware' running on the VPU...
View ArticleOther projects • Re: portable Linux Terminal with ZeroW and 480x320 LCD
This is what I use when I want something usable but really small - https://www.ebay.co.uk/itm/225895144311 ... SwY1xlaHZJStatistics: Posted by KeithMck — Tue Jul 09, 2024 2:12 pm
View ArticleOther • Re: RPI5 booted but no login prompt
2 possible reasosn:1st: You can't see the login prompt due to (missing?) overlay features.2nd: Keyboard / USB is not supported.Statistics: Posted by Noob_User — Tue Jul 09, 2024 2:13 pm
View ArticleTroubleshooting • Re: Wireless Mouse not working
Could there be some RF interference from somewhere ?What is your "different keyboard/mouse" ?I use a Logitech K220 + M150, and several M220 mice on various Pi's without issues.Statistics: Posted by...
View ArticleHATs and other add-ons • Re: New Official AI Kit available now at $70
viewtopic.php?p=2235524#p2235524For these 11.8 million parameter models the difference between Hailo 8L performance on the Pi 5 at PCIe 3.0 versus 2.0 speeds is roughly double.But, from earlier in...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: DSI bug on Pi 5
As has been covered numerous times, and I believe is in the white paper on interfacing to DSI displays, Pi0-4 all only have an integer divider from a core clock for generating the DSI clock. The core...
View ArticleBeginners • Minimum screen resolution?
We're looking at driving a very narrow bar-type HDMI display that is around 100px tall, can anyone tell me if this is going to be supported as long as it has correct EDID data in it or if there's a...
View ArticleRaspberry Pi Connect • rpi-connect-lite no sdcard
Hi,Ive just returned from holiday. While there i was tearing my hair out as i'd turned off my ssh access into my pi from the outside world and needed access while i was away. So on my return, the...
View ArticleCamera board • Re: RASPERRY PI 4 MODEL B SENSOR FORMAT AND UNICAM FORMAT NOT...
So your actual error isCode: Attempt to import unsupported winsys offset 1632960terminate called after throwing an instance of 'std::runtime_error'what(): failed to import fd 23AbortedHave you...
View ArticleScratch • Re: Scratch coding
Hey there ! I need help using scratch with raspberry pi but mostly with the sensors coding !Are you using one of the Raspberry Pi sets of Scratch Extensions, such as 'Raspberry Pi GPIO' or 'Raspberry...
View ArticleCamera board • Re: Red Hue When Using IR Filter with V3 NOIR
Indeed, you can only swap tuning files by closing down the camera completely and restarting from scratch. When you're raising the IR filter and turning on your IR lamps, are you expecting a black and...
View ArticleGeneral • Re: What percentage of MicroSD card supports SPI and FatFS
I have not seen anything in the simplified spec that indicates that SPI mode is optional for non-SDUC cards.I often see drivers that do not follow the correct powerup sequence causing the SD cards not...
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