Advanced users • Re: Bash script SECONDS is wrong
Code: START=$SECONDSThe script may be called by a parent script. install-php may be called by install-web-server.I suspect you are running the script soon after bootThe code is run after the desktop...
View ArticleAdvanced users • Re: Image File Utilities
I am trying to send myself an e-mail with the final lines of the image-backup output as visible in the terminal, the one with the 6 or 7 steps at the end and final remarks. I want to see if everything...
View ArticleRaspberry Pi OS • Re: X11 Forwarding from Headless (Lite) ZERO 2 W
X11 forwarding request failed on channel 0That is not a debug message, but an error. As I suggested previously, you should have been seeing that even without the -vv. Did you try installing xauth...
View ArticleGeneral • Re: HD44780 16x2 character LCD 5V with Pico
The HD44780 indicator has a 5 volt pin VDD supply voltage.All other pins have TTL standard. TTL standard logical unit voltage is more than 2.4 volts.The RP2040 has a 3.3 volt power supply and a CMOS...
View ArticleBeginners • Persistent FTP connection
I've created a FTP connection from my Pi to a windows machine on the same network via GO>Connect to server.How do i ensure this is available every time i reboot my Pi?ThanksStatistics: Posted by...
View ArticleCompute Module • Re: Pi5/CM5 Read/Write Speed: USB to NVMe?
A CFExpress card uses PCIexpress to communicate with the host (either single or four lane, type dependent).How do you connect such card to your RPI? If it's a USB3 reader then that bandwith is your...
View ArticleGeneral discussion • Re: The best SD Card for Raspberry Pi 5?
Ok. Thanks for the reply. Iwill look it up. Do you know I have the geeekpi starter kit with their fan. It seems a bit high for m.2 hat ssd! Do I need to change to the rasberry pi original fan, to make...
View ArticleGeneral discussion • Re: Pi5 16GB ?
Clickbait.As jamesh says, the news of a 16GB RAM variant on the CM5 comes from Eben's launch post for the CM5 - https://www.raspberrypi.com/news/comput ... -sale-now/.Statistics: Posted by andrum99 —...
View ArticleOther RP2040 boards • Re: 16MP Purple rPi Pico Clone?
I get an error when I try to look at your link.Did the seller say it was a "Pico" clone or an RP2040 board?If Pico clone it should really have the same pinout as the Raspberry Pi PIco.If just RP2040...
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Python • Re: RPi 5 and GPIO
I wish to thank you both so much!I have learned many different things reading your suggestions. Statistics: Posted by Voltigene — Sun Jan 05, 2025 11:04 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: MCP2515 Module with Raspberry zero 2W
The problem is solved. And this issue is as old as mammoth dung.I found the solution in these two discussions from 10 years ago:viewtopic.php?t=7027&start=650#p729436...
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MicroPython • Re: How do you get a Pico W to sleep?
WL_ON is connected to GPIO23:From CYW43439 datasheet:2. Power Supplies and Power Management2.1 Power Supply TopologyOne Buck regulator, multiple LDO regulators, and a power management unit (PMU) are...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
People constantly post trouble with typical USB-C power supplies not working well with a Pi 5. I now find myself in the same position, wondering if a USB-C iPad charger will damage it.You can run a...
View ArticleTroubleshooting • Re: Can't boot my Pi 400 from a usb hard drive (mechanical)
I'm using the Ubuntu OS. I installed the Pi Imager and tried to run it by which to switch my boot order per instructions on Tomshardware.com, which says to launch the Pi Imager and then put a new...
View ArticlePython • Re: Send email from python
The text files are not idea, as I don't know if something is wrong with scripts being run unless I check the text filesalso crontab has the "MAILTO" option that I have had sent to a email address...
View ArticleTroubleshooting • Re: Raspi-config menu not navigating correctly
How are you connecting to the Pi?- USB keyboard- wifi or bluetooth keyboard- remote connection via SSH from a PC with a USB keyboard and terminal emulator (e.g. PuTTY)- something else?Statistics:...
View ArticleTroubleshooting • Re: Freshly imaged SD for Zero2W won't connect to wifi
No ideas? Anyone?I figure this is not a configuration issue, since since it's just the configuration created by the imager specifically for a Zero2W, and when I boot a Pi 3B from said SD card, it...
View ArticleAdvanced users • Talking RS485 over UART on the raspberry pi 5
I've been unable to get a RS-485 transceiver to work from the Raspberry Pi 5 UARTs. The comm works using a USB to RS485 cable. The UART pins are functioning properly. They were tested with a working...
View ArticleMicroPython • Re: Using DMA and PIO to stream to GPIO on Pico 2, like...
Here's how I did something similar for one of my projects:Code: from machine import Pinfrom rp2 import DMA, StateMachine, PIO, asm_piofrom array import arrayimport uctypesdata = bytes([0x0, 0x1, 0x2,...
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General • On rp2040, reading 2.15V off a 5V voltage divider
Hello, I'm making a rp2040-based device that's powered from USB (via buck converter). I want to know measure the VBUS voltage (5V expected).So I wired a 10K/10K (+-5%) voltage divider to an ADC pin,...
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