General discussion • Re: Power Supply for RPI 3
A Raspberry Pi 3 Computer connected to the screen with a screen that is USB powered, I would recommend purchasing a 5V3A power supply.If you have a power supply with a built in power switch, I...
View ArticleBeginners • Re: @thagrol? Non GPIO 3 start up shutdown pi zero 2w?
I'm not at all sure I follow that circuit. But if I do...It's overill. The simple four wire DP/two switch method works.3.3v is shorted to GPIO27 throguh aprox 900 ohmWon't Q1's base also be pulled low...
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Networking and servers • Re: Remote Access To Branch Sites Behind Routers We...
Hi epoch1970,How many branches? This is a mess, with many branches it qualifies as an unmanageable mess.Currently fifteen.Use a VPN and separate the network from applications and users. OpenVPN with...
View ArticleMicroPython • Re: uPyMySQL and Pico - anyone got it running ?
Most likely directly copying onto your microcontroller will fail. Ah, that might account for my problems.along with the fact the library hasn't been touched in four yearsYes, I noticed it was getting...
View ArticleDeutsch • Re: Desktop wallpaper ändern via Kommandozeile
In der bash funktioniert beispielsweise sowas:Code: for f in /usr/share/rpd-wallpaper/*.jpg; do pcmanfm -w $f; sleep 1; doneIm Wayland hab ich das gerade laufen lassen. Ich meine mich zu erinnern,...
View ArticleGeneral • Re: ST7789 driver for micropython?
I am referring to the latter. It is a MicroPython example, not a 'driver.'Please find the MicroPython example code in the linked page, which was: Pico LCD 1.14 - Waveshare Wiki.I can wait ... ... what...
View ArticleTroubleshooting • Re: Pi 5 won't boot Pi 4 SD card (Bookworm)
Just a small update: I notice the pi4 already mounts to /boot/firmwareCode: $ mount | grep boot/dev/mmcblk0p1 on /boot/firmware type vfat...
View ArticleC/C++ • Re: Someone from another forum is pulling my leg
The book says 10 bytes the program below says 8 bytesThe book may be wrong, but the idea behind is likely correct:x86 CPUs used to off-load floating point operations to an x87 coprocessor. That...
View ArticleTroubleshooting • Re: Eth0 Shows Device Interrupt 106
Just never remember seeing it before and then after an update, it just showed up. 100% could just be super paranoid.Statistics: Posted by fastwrex — Tue Sep 10, 2024 9:46 pm
View ArticleBeginners • Re: Possible with a Pico? Act as a gate to another board.
Relays - could be too slow reacting, use transistors instead.I'd suggest SSRs (solid state relays); these have <1ms switching time, and provide electrical isolation. Drive them like an optocoupler....
View ArticleGeneral • Re: Uploading to Pico took out Bookworm desktop
I think that is the SD card on the Raspberry Pi SBC not the Pico, I think? I am not thinking the dmesg shows the Pico as a storage at this stage. Hippy will clarify.Statistics: Posted by breaker — Tue...
View ArticleGeneral discussion • Re: RPi OTG USB 3.0
When could we expect to have a low powered Pi with OTG over USB 3.0 standards? Can I request this on a Pi Zero future release? The closest thing we’ve got is the Pi Zero which uses 2.0. Started a...
View ArticleOther projects • Re: Model Rocket MPU6050 vs ADXL345/375
This remember me the catapult project on the Pi Version 1. I did in 2015 .https://github.com/danjperron/GCrashStatistics: Posted by danjperron — Tue Sep 10, 2024 10:27 pm
View ArticleGeneral • Re: RP2350 E9 bug - also for other GPIOs, e.g. SPI?
...Also, I think the author is wrong regarding SD-MMC...I think it is, or was, true: A pull-up on the DO cannot be omited, or some cards will fail initialization process. I don't know whether they...
View ArticleTroubleshooting • Re: Pi 5 serial output is buggy
When I am back in the test lab I’ll have a look at it - no pico with me ATMStatistics: Posted by neilgl — Wed Sep 11, 2024 8:37 pm
View ArticleAdvanced users • Re: Image File Utilities
Just noticed something with my backups of Ubuntu 24.04. The Bootfs mounting for /boot/firmware is unmounted during backup and not mounted afterwards. The weird thing is it doesn't do it every time....
View ArticleTroubleshooting • Is there any chance to get my Pi working again?
Ummm.... I was working on pi4 and suddenly something happened that Idk and the next moment I saw my Pi covered or say diped in milk that was slipped by my hand onto the pi... I imidiatly unplugged it...
View ArticleTroubleshooting • Re: Is there any chance to get my Pi working again?
Ummm.... I was working on pi4 and suddenly something happened that Idk and the next moment I saw my Pi covered or say diped in milk that was slipped by my hand onto the pi... I imidiatly unplugged it...
View ArticleAutomation, sensing and robotics • Detecting when 12V power is cut
I'm making a carputer and want to have my Pi do a graceful shutdown when the car turns off. I can have the Pi take power from the always-on 12V supply through the HiFiBerry Amp to get power, but how...
View ArticleAutomation, sensing and robotics • Re: Detecting when 12V power is cut
I'm making a carputer and want to have my Pi do a graceful shutdown when the car turns off. I can have the Pi take power from the always-on 12V supply through the HiFiBerry Amp to get power, but how...
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