Raspberry Pi OS • Re: How to access I2C device from user space
I had some time to verify this.I installed a new image using Raspberry Pi Imager, On reboot I updated all the software packages and rebooted. When I look for the humirdity1_input files:Code: $ find...
View ArticleRaspberry Pi OS • Re: LXTerminal not showing shift+e
Do you have [Caps Lock] on?Statistics: Posted by klricks — Wed Sep 04, 2024 11:06 pm
View ArticleGeneral • Re: Pico W USB lockup
Ya, the PICO can be finicky at times. What I do is write to a log file then if there is an exception which causes the program to end, the try/except catch renames with an ERR_ prefix. This allows me...
View ArticleGeneral discussion • Re: I need help because I think I messed up
Start over. If you need stuff off the card then of course use another computer to back it up. Then reinstall your OS.Another Linux computer. Windows doesn't understand the root partition without third...
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Troubleshooting • Re: Why are my 256GB SanDisk Ultra SD cards failing so often?
The smaller cheaper controllers erase big blocks of data, perhaps 128 KB, which means a 1 KB file write uses 128 KB. When you change the 1 KB file, a 128 KB block is erased then written to. The...
View ArticleBare metal, Assembly language • Boot process, add vendor data and vendor code...
Can vendor data and vendor code or just data be added into spi eeprom? This is not replacing the bootcode binaries that are there already, but something that secures using the ARM processor the RPi...
View ArticleGeneral discussion • Re: Pinball back glass modification
Put a screen behind the fountain, then you can use standard animation programs to do whatever you want and change it whenever you want..the board and glass has a 18mm gap to fit in toI dont know what...
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Beginners • Re: Connecting 220V to Raspberry PI GIO pins
If you look at how a UPS works, you will find stuff about sending a signal to the OS a few seconds before power cuts out. The OS can start a shutdown process. There are UPS projects for the Pi. You...
View ArticleAdvanced users • Re: Raspberry Pi 5: Host + Slave USB setup
Do some cable mods to either:1. Feed power in via the GPIO header pins and disconnect +5 volt supply to USB-C plug.2. Feed +5 volt into USB-C plug from PSU which can supply adequate...
View ArticleGraphics, sound and multimedia • Re: iMac as display for RPI5
Thanks inspector_gadget for the hint with CMD+F2, I'm using Sierra and there are some differences, but it may work with your suggestion. Now to your problem: Check on your Raspi5 the file...
View ArticleGeneral discussion • Re: Rpi5 data sheet
links to the docs are in https://www.raspberrypi.com/products/raspberry-pi-5/Statistics: Posted by DirkS — Thu Sep 05, 2024 11:04 pm
View ArticleAdvanced users • Re: Pi 5 Netboot eeprom flash bricked ethernet
At least on the 2024-07-30 release of the Pi 5 EEPROM image, the diagnostic screen reports the DHCP server address and the client IP issued to the Pi 5. The 2024-07-30 release is now available via...
View ArticleGeneral discussion • Re: HDMI and MIPI displays
Yes, possible as long as you driver/overlay to start your DSI screensAn example is shown here - 8 displays in total - viewtopic.php?p=2214269&hilit=6+spi+displays#p2214269Amazing, thank...
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Other programming languages • Re: JavaScript graph library, for embedding and...
The last piece missing for implementation of "edge3()" is just move to the right position and use OpenSCAD's rotate_extrude()with the apropriate angle less than 360° ...I tried and tried to get it...
View ArticleAdvanced users • Re: Seeking clever ideas: applying git changes to a...
You can post the releases to a pubic github repository, and get the pi's to periodically poll for updates to releases in the repository. Assuming your pi's have internet access: Github provides an API...
View ArticleC/C++ • Re: Use of sync(2) / fsync(2) before a hard before hard shutdowns?
I have my doubts about 5 minutes of writes outstanding, unless someone has tuned it that way; or possibly a case like the file still being open and overwritten (where the metadata doesn't change until...
View ArticleTroubleshooting • Re: Dip Switches on Pi Keyboard
US = layout 4 and switch 0100b = 4Tamadite's keyboard in the other thread has 0011b = 3 which is Spanish and "Tamadite" is a place in Spain.The layout table has 17 entries now so presumably the latest...
View ArticleBeginners • Re: How to Install Blender on Raspberry Pi 4? Compilation Error...
What's wrong with simply doing:Code: sudo apt install blenderStatistics: Posted by craigevil — Fri Sep 06, 2024 10:37 pm
View ArticleGeneral • Re: what is the logic of ADC interrupt enabling?
Code: static inline void adc_fifo_setup(bool en, bool dreq_en, uint16_t dreq_thresh, bool err_in_fifo, bool byte_shift) { hw_write_masked(&adc_hw->fcs, (bool_to_bit(en) << ADC_FCS_EN_LSB)...
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General discussion • How to easily be able to use push buttons with GPIO
Okay I have finally worked it out and it’s actually really simple.In case anyone else wants to wire buttons directly to GPIO…Normally every time you reboot the pi it resets any changes unless you...
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