Troubleshooting • Raspberry Pi booting again despite issuing shutdown command
Hi,I am getting the strange behaviour of my Raspberry Pi 4 rebooting after issuing poweroff when mounted on top the waveshare UGV kit. when powered via the USB C port it shutdown as normal. I am at a...
View ArticleSDK • Error in the SDK
Hello Everyone,I have an found an error in the Pico-sdkCode: /tmp/pico-sdk/src/rp2_common/hardware_pwm/include/hardware/pwm.h: In function...
View ArticleClik here to view.
Beginners • Re: Actual headless boot
I got myself a PL2303 adapter, which should work. The Pi itself is a 4 Model B.My brief google suggest that is USB to RS232. RS232 voltage levels will kill a Pi. As will 5vTTL serial. Make sure it's...
View ArticleBeginners • Re: Cron script issue with Python .env in order to run a script
Finally, it works (still some path issues Windows/linux...)AFAIK there's no automatic way around those. If it's path element concatenation use os.path.join('a','b') will use the OS specific separator...
View ArticleClik here to view.
Beginners • Re: These nvme base hats look interesting but do not have access...
An alternative to RAID1 on 2 * 4TB. PCIe NVMe adaptor with 4 TB. Big spinning rust disk on USB 3. You use the 4 TB SSD 24/7. Backintime or equivalent backup to the lump of iron. You can then recover...
View ArticleTroubleshooting • Re: WaveShare 3.5 results in constant red LED
It may be a issue with the display and you may need to return it. However,I see that in the instructions you need to use a male to female cable. When you trying out the Waveshare display is the...
View ArticleMicroPython • Re: Issues with Micropython on Pico W with Sonoff Light Bulb
Dumping as a JSON string is already done in the request() call. See source code for urequest:https://pypi.org/project/micropython-urequests/#filesRelevant part in request() call (library is MIT...
View ArticleTroubleshooting • Re: Pi5 Completely (permanent) locks up when CPU reaches 100%
You might also try a firmware update.**I don't think it is a firmware issueThere was a firmware update related to USB a couple of months ago. https://github.com/raspberrypi/linux/issues/5753Note the...
View ArticleGeneral • Re: RP2350 PIO DMA performance question
PIO has some SMT behavior via interrupt flags. They do not have IPC by themselves and are not scalar/vector/matrix in execution. They also lack an ALU and stack/memory subsystem. Much more like HDL...
View ArticleSDK • Re: Pico as debug probe problem
Did anybody get debugging of the RP2350 with the PICO as debug probe under VS Code on a Raspberry (64Bit) to work? I would love to know, whether it makes sense to research further or not. Thank you...
View ArticleSDK • Re: Need some help with sound output
If helpful, I wrote an 8910 emulator once, including code to output over RP2040 PWM.The emulator itself: https://github.com/alastairpatrick/pico ... mware/ay.cCode to configure and update RP2040 PWM:...
View ArticleRaspberry Pi 400 • Interface Pi 400 board to better keyboard?
I would like a Pi 400 with a TKL keyboard, one with better key movement for frequent typing. I looked at the interface from the 400 board to the keyboard and do not understand the details of the Pi...
View ArticlePython • Re: Can't install tensorflow pi 4
Hello, my name is Sofia and I come from STS Software GmbH. It seems like you're encountering an issue with installing TensorFlow on your Raspberry Pi 4 running the Bookworm version of Debian. The...
View ArticleAutomation, sensing and robotics • Re: Pleb GPIO
Warthog, thank you for taking a look! I figured you would, if anybody did. I did spot leds-gpio but could not make sense out of it.And some people have trouble learning to drive. But that isn't...
View ArticleBeginners • Max # of BLE connections
Hey!So I have a RPI 4B and it's currently communicating with an IMU via BLE for sensor data that I need to send to the web via mqtts for a project I'm working on. Based on the research I could find,...
View ArticleClik here to view.
HATs and other add-ons • Re: Wood cases for Pi plus
Nice stuff. I've made a few using my laser. I didn't like the plastic cases since mine sits on my repurposed mid century TV/Stereo cabinet. I figure were a good idea for builds that there's not a case...
View ArticleRaspberry Pi 400 • Re: Interface Pi 400 board to better keyboard?
When a Pi 500 arrives, I hope there is an uptake by a keyboard manufacturer to combine the 500 board with a professional keyboard.I've mused about third party better (mechanical?) keyboards...
View ArticleBeginners • Re: A few beginner questions
Did you try doing the update again?Yes. I tried again this morning after purging Chromium from the Pi. Worked like a charm! Go figure. I don't know if it was the purge, or what. Won't complain...
View ArticleCamera board • Re: does an "affordable" C/CS-mount macro lens exist?
Yes, I think your suggestion of extension tubes is good in general, for moderate degrees of enlargement. My past experience with other systems has been extensions do somewhat dilute the image...
View ArticleClik here to view.
General • Re: RP2350 SSP/XIP Block Transfer Examples
Leave the voltage as default 1.1VFrom CMake:Code: PICO_EMBED_XIP_SETUP=1PICO_FLASH_SPI_RXDELAY=2PICO_FLASH_SPI_CLKDIV=2PICO_CLOCK_AJDUST_PERI_CLOCK_WITH_SYS_CLOCK=1The last one is optional, you need...
View Article