General • Re: Size of HASH_VALUE item in RP2530
The bootrom creates a regular 32 byte SHA-256 hash* for signature checking, the full 256 bit hash is what is signed (and signature checked)* HASH_VALUE is only used for standalone hash checking...
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General • Re: PT52-Lua The Modern Retro computer
I had a look at the femto text editor site. That's great, a very minimal text editor. Nice to hear you got that unlink error fixed. As far as regular printf and not fprintf, is the replacement...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
WOOHOO! PI500 awesome. Can't wait for mine to arrive.Yes, it is. Despite no NVME capability, it's still a great device, especially with the fast SD card option.Hopefully yours will arrive quickly, we...
View ArticleAdvanced users • Re: systemd service ran fine on CM4 doesn't work on CM5
JoJoPi has a point - by default, CM5 (like Pi 5) puts the UART on the debug header, and that is what /dev/serial0 maps to. However, there are two ways to enable UART0 on GPIOs 14 & 15:1. Add...
View ArticleC/C++ • Re: Timers in C++
Thanks @njh for your hint.The only other "I/O" that will be in this control system will be push buttons (at least 4 of them).The little code you posted is exactly the way I was thinking of doing it,...
View ArticleGeneral discussion • Re: RPi5 Rev 1.0 SD-card doesn't work on Rev 1.1 board.
What does "uname -a" on your existing sdcard report?Does a clean install of RPiOS bookworm run on the new Pi5?Statistics: Posted by dom — Mon Dec 09, 2024 5:57 pm
View ArticleSDK • Re: prevent "Downloading Picotool"
This is one of the things the Pico VS Code extension aims to help withI am sure it's great for those who can use it but it doesn't help if your friend is running a 32-bit OS, can only run a 32-bit OS,...
View ArticleBeginners • Re: Push button, signal to another Pi in the same network
Maybe MQTT on each pi, one publishes a "topic" when button pressed; the other "subscribes" to that topic and when received it rings the bell.Python scripts can be used on both, uisng paho mqtt...
View ArticleAutomation, sensing and robotics • Re: New idea for dryer monitor
Good ideas. How about a photo transistor looking at the "ON" LED of the dryer?Statistics: Posted by neilgl — Tue Dec 10, 2024 5:36 pm
View ArticleGeneral discussion • Re: Raspberry Pi Imager for ARM processor.
Er, as it says on that websiteCode: To install on Raspberry Pi OS, typesudo apt install rpi-imagerin a Terminal window.That is ARM of course.Statistics: Posted by neilgl — Tue Dec 10, 2024 5:38 pm
View ArticleHATs and other add-ons • Re: Could PyBricks be up and running on BuildHAT..
open sourcing the Lego control firmwareThis was the minimum I was looking for. You could at least submit patches and lobby for them, even if you couldn't build your own. Hachi bypass loader could...
View ArticleTroubleshooting • Re: SSH Not Working Correctly
How are you setting the password?Statistics: Posted by pidd — Tue Dec 10, 2024 6:08 pm
View ArticleSDK • Re: PIO PWM Input - Pulse Width Measurement
// slow the clock down to 1 Mhz sm_config_set_clkdiv(&c, 125.0); // set the clock divider so clock runs at 1 MHzFirst of all try a higher clock, that's the clock at which PIO instructions run, not...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: When in shutdown does GPIO go back to...
Thank you very much.So it would be okay then to look at that pin changing state to know its safe to kill power in event of a shutoff?Also, do you have any insight as to why that dtoverlay...
View ArticleTroubleshooting • Re: Pi 5 LED glows solid green and M.2 AI Hat glows solid...
Ok so the issue turned out to be the static IP address I set on the eth0 network interface. When trying to install software on the system headless I had to set a static IP address because for some...
View ArticleRaspberry Pi 400 and 500 • Re: Pi 500 forum?
So is it alright to create a new post now or should I wait? I had a few questions on using the device, but most of it will probably be related to software and not hardware. Software issues related to...
View ArticleBeginners • Re: Multiple audio outputs
A couple of options.- If you only need to ever play one at a time, then get one amplifier and connect the output to a relay board (eg https://www.amazon.co.uk/Yizhet-Channel ... B07MJF9Z4K) that...
View ArticleCamera board • Re: External Camera Support
That board (along with a number of others) use the Toshiba TC358743 chip for HDMI to CSI2.The Waveshare board only has the 15pin connector and hence 2 data lanes, so it will be limited on max...
View ArticleAutomation, sensing and robotics • Re: Simple light level detector using...
Back again,The above tests were done using an RPi4B device where I used GPIO18 on pin 12 on the header and it worked just fine.So I removed the circuitry from the RPi4B and attached it to the RPiZeroW...
View ArticleRaspberry Pi Connect • Re: Connect service fails to start with out of memory...
Which Pi is it running on and which OS (Bookworm 64-bit or other)?Statistics: Posted by neilgl — Wed Dec 11, 2024 6:15 pm
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