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Assistive technology and accessibility • Small RFID 125KHZ (RDM6300)...
Hello Everyone, I have you are well. I have a small office, and I wanted to create a small RFID based attendance system and Access Control for my staff. I am sharing the code below, everything is...
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Troubleshooting • Re: window manager broken
maybe not pixel, maybe found something elsebut you know what i mean, this:i was reffering to thisactually is menu in bottom and not fully and have two desktops, i think its LXDEbut i want to switch...
View ArticleTroubleshooting • Alternatives to WayVNC because of poor Unicode support -...
I often have to cut and paste non-ASCII Unicode text (specifically, Devnagari, the script used by many Indian languages) into and from my Raspberry Pi 5. I'm using wayvnc and connecting to it with...
View ArticleTroubleshooting • Re: Raspberry PI 5 - green light fan max speed but not loading
Hi,I am a beginner in this world and after a few weeks playing with my PI 5 and having no problems so far... I got a notification for firmware update and after downloading and rebooting... I was no...
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Interfacing (DSI, CSI, I2C, etc.) • CM4: DSI1 init. commands rarely fail
Hi everyoneI am having issues with CM4 when sending commands via DSI1 to a ST7703 controlled LCD (3,5" 640x480).In 80% of the cases the LCD is initialized properly and works for days without any...
View ArticleMicroPython • Re: Traffic_Lights.py example error
What alternatives are there to _thread?There are interrupt callbacks which can set flags and do things when a button is pushed - which is probably the best option for the code you have. There is also...
View ArticleSDK • Re: Using printf with TinyUSB HID: Is It Possible?
Apparently there is a way but I don't know the details -https://github.com/raspberrypi/pico-sdk/pull/871https://github.com/thewh1teagle/pico-bl ... id-cdc-bleStatistics: Posted by hippy — Tue Nov 12,...
View ArticleGeneral • How much OTP is there on an RP235X ?
From the RP235X datasheet -RP2350 provides 8 kB of one-time programmable storage (OTP)OTP is physically an array of 4096 rows of 24 bits each.That doesn't tally: 4096 x 24 bits = 12 KBIf 8 kB were...
View ArticleNetworking and servers • Re: MQTT explorer (or alternative) for Raspberry Pi OS?
the online broker has feature where you can subscribe to the topic and show/plot the data, and I was wondering if I can do the same thing locally?Both MQTT Explorer and MQ3T running under RasPiOS will...
View ArticleRaspberry Pi Connect • Re: enable-linger no longer works on rpi-connect 2.1.0
I'm unable to reproduce this with 32-bit Raspberry Pi OS Lite 2024-10-22 (/etc/debian_version is 12.7) and rpi-connect-lite 2.1.0 (revision 04b828e0aa7964e81087bbebada0e68fe2a9c387). I ran the...
View ArticleBeginners • Re: 2 Screens on Raspberry Pi
i undstand. thank you.Statistics: Posted by MrBeyfendi — Tue Nov 12, 2024 11:08 am
View ArticleGeneral • Re: Raspberry Pi PicoW - not getting recognised.
This may be due to a bug in the Pico SDK which cause the Pico W to not emit the USB Descriptors which Windows is expecting. But maybe not.Statistics: Posted by hippy — Tue Nov 12, 2024 11:15 am
View ArticleBeginners • Re: LED works when running from IDE, but not cronjob
Why are you importing time if you're not using it?We don't know if your code is, in fact, running. It looks simple enough but you never know...Try changing your crontab entry to the following, let it...
View ArticleGeneral • Re: How much OTP is there on an RP235X ?
Error correction was mentioned in the DS...Statistics: Posted by katak255 — Tue Nov 12, 2024 11:34 am
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General • Re: Trace FIFO and TPIU with ITM
I think I found one more issue in my code from my previous posting:It is important to initialize TPIU, Funnel and DMA first and enable ITM afterwards. Otherwise some important packages are missing in...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: CM4: DSI1 init. commands rarely fail
what if you use stock OS with your custom driver and overlay?Why didn't you add to the existing driver?Statistics: Posted by aBUGSworstnightmare — Tue Nov 12, 2024 11:42 am
View ArticleTroubleshooting • Re: SegFaulting and Inode errors on Raspi 3A
PS: I changed power supply (original raspi) and cam modules used by motion more than once in the last months, without success...Statistics: Posted by pi-anazazi — Wed Nov 13, 2024 10:58 am
View ArticleTroubleshooting • Re: Pi5 hanging when transfering large files to NAS
cifs does not know about sparse files, so you could create a dummy/empty file:Code: truncate -s10G /mnt/RPi/sparsefile.testand transfer that. It would not put load on PCI-E/NVME/SSD/SD/MMC, so might...
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Compute Module • Re: Raspberry Pi Compute 5 Release Date?
https://x.com/bretweber/status/18564274 ... 85peQ&s=03The official Raspberry Pi account has replied Statistics: Posted by mtouzot — Wed Nov 13, 2024 11:02 am
View ArticleAdvanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
The latest download of Pi OS. All updates applied. Should be the latest firmware. I will update again just to make sure everything is up to date. Then I have several other brands of A2 card to...
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