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Re: SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
Hey David, A micro SD card with a working copy of Raspberry Pi OS has two partitions on the card: - Partition 1 - FAT32 file system - holds /boot : A windows or Mac computer can read / write
By David Ranch · #13455 ·
Re: [EXTERNAL] [RaspberryPi-4-HamRadio] SD Cards Erased Upon Removal? #hampi #hardware #pi #raspberrypi #usability
uh NO! The files are not being erased and the SD card is NOT blank! The "few" files that you can see are in the BOOT partition and it is formatted as FAT which windoz can see. The main partition is
By dwfunk4475 · #13454 ·
Re: [EXTERNAL] [RaspberryPi-4-HamRadio] SD Cards Erased Upon Removal? #hampi #hardware #pi #raspberrypi #usability
SD card
By Christopher Rose <kb8uih88@...> · #13453 ·
Re: [EXTERNAL] [RaspberryPi-4-HamRadio] SD Cards Erased Upon Removal? #hampi #hardware #pi #raspberrypi #usability
Turn off the pi power supply, unplug it if necessary to make sure the pi is off before pulling as card
By Christopher Rose <kb8uih88@...> · #13452 ·
Re: SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
Just out of curiosity, what OS are you using when attempting to read the SD card (when it showed "blank")? -Sam KO4KBY
By Sam - KO4HBY · #13451 ·
Re: SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
Actually...they are not any more "sensitive" to being removed than other solid-state-devices...which is to say they are NOT as sensitive as you suggest. Wait 30 secs or so.....THEN remove it....(just
By Bob Finch · #13450 ·
Re: SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
Apologies for the potential double-post.? I waited an hour since my last attempt to send: Just out of curiosity, what OS are you using when attempting to read the SD card (when it showed
By Sam - KO4HBY · #13449 ·
Re: SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
Did you try putting the card back in the Raspberry Pi before formatting it? Linux, which HamPi runs on usually uses a filesystem that windows does not know how to read... It would be the same if you
By jamesraykenney · #13448 ·
RealVNC loses connection
I can't seem to be able to maintain a VNC connection for more that a few minutes. Does not matter if the connection is cloud or IP, I am lucky if I can maintain a connection for 10mts. I have the
By Carlos · #13447 ·
Re: [EXTERNAL] [RaspberryPi-4-HamRadio] SD Cards Erased Upon Removal? #hampi #hardware #pi #raspberrypi #usability
The RPi uses a different file system that a PC, which is why we use an “Etcher” program to make a few FS… you’d also need to use that Etcher to make a backup Image of the file system (with
By David Harris · #13446 ·
SD Cards Erased Upon Removal? #raspberrypi #usability #hampi #hardware #pi
After successfully using my Rpi 4 B+ for a few months as part of my homebrew mobile manpack rig I decided to back up the SD card prior to installing a GPS dongle. I did a sudo shutdown -h now and
By David AJ6RE · #13445 ·
NEW Hackable HF SDR for the Raspberry Pi by VU2ESE
Hi Everyone, I just came across this Hackaday.com article about a user-modifiable HF SDR that should cost less than $100 USD for the Raspberry Pi
By Dave Slotter, W3DJS · #13444 ·
Re: FLDIGI 4.1.19 RPi4 GPIO PTT
Thanks Steve, will keep an eye on that other group. So many groups, so little time? 73’s Dave WA5TET
By David Cummings · #13443 ·
Re: FLDIGI 4.1.19 RPi4 GPIO PTT
Hi Dave, I reported this problem to Dave Freese, W1HKJ, right after 4.1.19 was released. He promptly fixed it and the fix is in the development release, currently at
By Steve AG7GN · #13442 ·
FLDIGI 4.1.19 RPi4 GPIO PTT
Anyone having an issue with GPIO control for PTT on an RPi4 with FLDIGI 4.1.19?? I see that GPIO 25 is set for an output type but unable to key transmitter.? Same GPIO is working with Direwolf
By David Cummings · #13441 ·
Re: Raspberry Pi Pico as a crystal replacement
Have you made any stability measurements? Personally I'll stick with the Si5351, simply because they are easy to obtain, program and use. In any case the cost of shipping exceeds the price of the part
By Larry Macionski · #13440 ·
Raspberry Pi Pico as a crystal replacement
I've tried to output various frequencies from Raspberry Pi Pico, In MicroPython, changed the machine frequency (this automatically programs the PLL), then divided by 2 or more using PIO, to avoid any
By vbifyz · #13439 ·
Re: Quality USB-A to USB-C cable to avoid voltage drop
An HF skyloop is an incredible receive only antenna in the city. imho. 73 [email protected]> wrote:
By Dave R · #13438 ·
Re: Quality USB-A to USB-C cable to avoid voltage drop
If anyone wants to know if their Pi is complaining about low voltage, here is a short script to run and have a look: sudo grep Under-voltage /var/log/syslog | wc -l Output is the number of under
By Mark Griffith <mdgriffith2003@...> · #13437 ·
Re: Quality USB-A to USB-C cable to avoid voltage drop
I operate 75 and 40 but that doesn’t really matter because even with my house turned off completely my noise floor is pretty pathetic. At field day every year I marvel at what silence sound like. I
By Tadd KA2DEW in NC · #13436 ·