Teaching and learning resources • PicoW and MQTT lessons?
Has anyone any nice lessons aimed at KS4/5 (that's our 14-16 and) 16-18yrs.I'm looking for some nice tutorials that setup the PicoW with MQTT and send short messages (on/off) or longer JSON strings...
View ArticleNetworking and servers • Re: Need help with wireless image transmission in...
Standard Wi-Fi has a stated range of about 100m outdoors although I've seen some arrangements do better than this (line-of-sight with no obstructions). The long range equipment I've used has all been...
View ArticleTroubleshooting • Re: Are RPi5 GPIOs slower than RPi4 GPIOs?
Userspace libraries that use libgpiod underneath when accessing hardware are slow. Each gpio operation incurs a syscall.So does this mean that the GPIO speed like RPi4 with bcm2835.h cannot be...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
We needed a guaranteed 500 a month for 2 years and after discussions RPL couldn't do this, which tends to indicate there were far far larger users of CM4s who got whatever devices were available back...
View ArticleGeneral • Pull-ups or pull-downs?
https://imgur.com/wkKE4e2I want to experiment with PIO and pin direction. What I am trying to do is simulate what would happen on an 8-bit computer data bus. In theory, SW1 is supposed to give me an...
View ArticleBeginners • Re: Testing cable status
Just to mention one point: you can not switch a consumer with the "thermostat switch" AND monitor the wires with a RPi. At least not in a simple way.How long are the wires from RPi to the...
View ArticleGeneral discussion • Re: STICKY: PINN - An enhanced version of NOOBS.
Please have a look at the user guide README_PINN.md on my github and the tutorials on my Wiki. Ask again if there is something you don't understand from those.Thank you. I believe I need to read...
View ArticleNetworking and servers • Re: Rpi4&5 Can't connect to 5Ghz WiFi, but can...
In which country are you?Your country may only allow several of the 5GHz WiFi channels, hence you may want to check with https://en.wikipedia.org/wiki/List_of_W ... /ac/ax/be) which channels can be...
View Article日本語 • Re: SONY AI Camera for RaspberryPI
あっきぃさん Raspberry Pi AI Cameraをさわってみた 」 の情報ありがとうございます。Raspi.jp に直接飛べないので情報共有のためにリンク先を貼りました。ご了承ください。https://www.raspi.jp/2024/10/202410-ras ... ra-review/Statistics: Posted by otani — Thu Oct 10, 2024...
View ArticleRaspberry Pi Connect • Re: RPC outage.
I'm in .uk and experienced a brief period of being unable to Connect, so I suspect a more widespread downtime event.Statistics: Posted by xeny — Thu Oct 10, 2024 6:55 am
View ArticleAI Camera - IMX500 • Re: AI Camera & Zero 2 / camera not avilable
The cables look fine to me. I can only suggest trying what I mentioned earlier:- Try a different camera connector cable or another camera to the cable.- Try attaching the camera to another Raspberry...
View ArticleGeneral • Re: RP2350: SPI via PIO cannot be faster as 25 MHz
I assume, the isolation cells (even in transparent mode - sure) cause the "huge" delay.No!Most of the delay you are seeing is digital delay within the logic, not analogue delays in the pads and...
View ArticleGeneral • Re: Run Project (USB) from Raspberry Pi Pico Project under VS Code
Double-check to see that you're doing it correctly. I've not worked with elf files, but my quick 'net search showed that loading them is by using picoprobe, not picotool, and via the debug port, not...
View ArticleTroubleshooting • Re: Pi5 turns on then off
But who owns a Pi5 serial cable on this forum?Anyone with a Pi Debug Probe.Also, me. I bought some connectors and added one to my usual USB Serial adaptor (3.3V of course).Statistics: Posted by rpdom...
View ArticleTroubleshooting • Re: Rapberry Pi Zero USB / RNDIS ethernet gadget cannot...
The problem here is that the peer is 'PC'; The only info is picture file with some Wifi.So you are essentially asking the RaspberryPi forum to debug your totally unknown Windows PC (I guess). Maybe...
View ArticleGeneral • RaPi Pico WH 2040 Gets stuck in cyw43_arch_init()
Help! I am at a complete loss here making my first steps with the Pi Pico WH 2040 board. I am following the instructions in the Getting Started Guide (https://datasheets.raspberrypi.com/pico ......
View ArticleOther projects • Re: Alternate power source-100W USB-C connection
Where in the PD specification does it say that ? Page number and section please . That's not what I meant, but every regular PD power supply will expect to deliver higher voltages as soon as more...
View ArticleDeutsch • Re: i2c am Raspi4b und 5b
Hallo, Der Hat stammt aus dem Modellbahnbereich, nennt sich PI01, stammt von Rocrail. Damit sollen die Servos & Co., über den i2c Bus gesteuert werden.Das funktioniert unter dem Raspi1, 2, 3b...
View ArticleCamera board • Re: Camera not detected "Raspberry Pi Camera Module...
I formatted the sd card, and reinstalled the latest SW plus "python3-picamera2", but still no camera detected or seen in the config > Interface window.In that link I (not neilgl) gave you it says...
View ArticleNetworking and servers • mount.nfs: access denied by server while mounting...
I'm trying to figure out how to make this error go away...I am building a cluster using the Now to from this site.While I can log in to the new node after it successfully reboots with the network...
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