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by W. H. Heydt
Fri Jan 10, 2020 4:50 pm
Forum: Troubleshooting
Topic: SD cards
Replies: 17
Views: 326

Re: SD cards

Stick it in a camera to see if the camera will format it.
by W. H. Heydt
Fri Jan 10, 2020 6:05 am
Forum: Troubleshooting
Topic: No signal on monitor
Replies: 2
Views: 80

Re: No signal on monitor

If you put Raspbian directly on your SD card, instead of NOOBS, then you can put a file named "ssh" in the boot partition and the system will enable ssh access (and delete the file). Any other system (such as Windows) can write into the boot partition. You might also consider editing config.txt (sam...
by W. H. Heydt
Fri Jan 10, 2020 6:00 am
Forum: Beginners
Topic: No display, unsure if booting
Replies: 4
Views: 210

Re: No display, unsure if booting

In addition...using another system make a file named "ssh" in the boot partition (the only one Windows can see) of the SD card. That will cause the system to enable ssh access, after which it will delete the file. Once booted with ssh, you can connect to your Pi from another system to verify that it...
by W. H. Heydt
Thu Jan 09, 2020 9:02 pm
Forum: General discussion
Topic: 128gb sd card in rpi4
Replies: 18
Views: 552

Re: 128gb sd card in rpi4

Hammer379 wrote:
Thu Jan 09, 2020 8:35 pm
Yes I’m using raspian desktop and have tried to expand file says it already is expanded is there another windows program I can use to get the image
Boot your Pi from a different SD card. Attach the 128GB card to your Pi using a USB adapter. Run gparted and manually expand the partition.
by W. H. Heydt
Thu Jan 09, 2020 5:36 am
Forum: General discussion
Topic: Is there any resolution to protect GPIO pins of Raspberry Pi 3 B+?
Replies: 20
Views: 644

Re: Is there any resolution to protect GPIO pins of Raspberry Pi 3 B+?

"The difference between the men and the boys is the price of the toys.'

I'm not sure what that says about the effective age of those of us who like doing things with Pis...
by W. H. Heydt
Thu Jan 09, 2020 1:39 am
Forum: Advanced users
Topic: Can I boot my Raspberry Pi 3 by a USB with no SD card?
Replies: 5
Views: 187

Re: Can I boot my Raspberry Pi 3 by a USB with no SD card?

A 4GB card would be big enough (and a 2GB card might be) to load Raspbian Lite and set the OTP bit to permit USB booting.
by W. H. Heydt
Thu Jan 09, 2020 1:19 am
Forum: Beginners
Topic: [Solved] Learn: Linux,Debian , Raspbian for command line?
Replies: 17
Views: 730

Re: Learn: Linux,Debian , Raspbian for command line?

Speltraspberrypi wrote:
Wed Jan 08, 2020 9:37 pm
How do I mark ‘this post as Solved ? I’ve been poking around the edit functions but haven’t spotted it yet . Another desktop incident I suspect !
Edit the post you used to start the thread and change the title. The usual marking standard is to prefix the existing thread title with "[SOLVED]".
by W. H. Heydt
Thu Jan 09, 2020 12:47 am
Forum: General discussion
Topic: Why is datasheet missing?
Replies: 13
Views: 525

Re: Why is datasheet missing?

As I understand it, the CM3+ is functionally identical to the CM3 Pretty much. The CM3+ uses the B0 stepping of the BCM2837. It also comes with 8GB, 16GB or 32GB of eMMC flash storage on board, as compared to 4GB on the CM3 (and CM1). And for the OP...there is a sub-forum devoted solely to the Comp...
by W. H. Heydt
Wed Jan 08, 2020 8:57 pm
Forum: General discussion
Topic: RTC Timekeeping Registers
Replies: 7
Views: 313

Re: RTC Timekeeping Registers

Haha... guess I'm not the only one that loves this chip. I have some Pis using DS3231 RTCs and I anticipate setting up more. Specially the Ebay modules with holder and EEPROM. And there's that unique 30% DOA or early failure feature. lol If I see a 30% DoA rate on *anything*, I would look elsewhere...
by W. H. Heydt
Wed Jan 08, 2020 6:42 pm
Forum: General discussion
Topic: RTC Timekeeping Registers
Replies: 7
Views: 313

Re: RTC Timekeeping Registers

Well... The *usual* way to set a DS3231 is to load a driver module through config.txt and then use "hwclock -w", thereby setting the DS3231 from the system clock (which, in turn, can be set either by providing network access and allowing the system to set its clock from NTP servers or manually using...
by W. H. Heydt
Wed Jan 08, 2020 4:44 pm
Forum: Beginners
Topic: BBC Radio Streams
Replies: 10
Views: 2008

Re: BBC Radio Streams

Quite a necro... Not specific to the BBC, but I use mplayer to run our local classical station and display the stream metadata with the following shell script (it's used by my "alarm clock" Pi): #!/bin/bash PATH=/home/pi/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/gam...
by W. H. Heydt
Wed Jan 08, 2020 6:31 am
Forum: Beginners
Topic: [Solved] Learn: Linux,Debian , Raspbian for command line?
Replies: 17
Views: 730

Re: Learn: Linux,Debian , Raspbian for command line?

Thank you for all your help . For some reason I haven’t been receiving email updates about this forum (got to figure that out) so apologies for the delay . Everyone who replied has given important info which has contributed to another step forward . I’m glad to learn that the default language on Ra...
by W. H. Heydt
Tue Jan 07, 2020 11:08 pm
Forum: General discussion
Topic: Raspberry Pi Simulator
Replies: 4
Views: 253

Re: Raspberry Pi Simulator

Python interpreters and compilers exist for many other hardware platforms. What have you got?
by W. H. Heydt
Tue Jan 07, 2020 2:45 pm
Forum: General discussion
Topic: Sharing power pins, and extension cables
Replies: 2
Views: 142

Re: Sharing power pins, and extension cables

Hi. First off I would not connect a fan to the 3.3v gpio header pin , its not designed to power such Items and it could damage your pi. ( I know from a previous thread that pulling 133mA from a 3.3v power pin on the gpio header will cause the pi to shutdown. ) I have a Pi4B1 sitting next to me that...
by W. H. Heydt
Mon Jan 06, 2020 4:40 pm
Forum: Beginners
Topic: mathematica on Pi 4
Replies: 1
Views: 89

Re: mathematica on Pi 4

The default password for the pi account in Raspbian is "raspberry". However, the initial system setup (either version with the GUI on by default) prompts the user to change the password.
by W. H. Heydt
Sun Jan 05, 2020 8:18 pm
Forum: General discussion
Topic: Is the revised RPI4 board with fixed USB-C available?
Replies: 31
Views: 1224

Re: Is the revised RPI4 board with fixed USB-C available?

For those with problems with the size of the RPT PSU (can't use two adjacent outlets), get a bunch of these https://www.monoprice.com/product?p_id=5279 (12 inch 3-prong power cords). There also exist ones with a pass-through plug plus a short extension with another socket. Her is one with a 6 foot e...
by W. H. Heydt
Fri Jan 03, 2020 3:17 am
Forum: General discussion
Topic: Is anyone really using dual 4k drivers on Rpi4?
Replies: 41
Views: 2053

Re: Is anyone using all the new features of the Rpi4?

dsstrainer, ...seems the obvious direction. Seems like a troll/spammer first post. why is everyone who doesn't agree with the majority here a spammer or a troll? I don't think it's so much a case of disagreeing with the majority, as it is criticisms for misdescribed or overlooked features. The Pi4B...
by W. H. Heydt
Wed Jan 01, 2020 1:18 am
Forum: General discussion
Topic: Can I use a huawei matebook d14 charger to power the pi 4
Replies: 5
Views: 197

Re: Can I use a huawei matebook d14 charger to power the pi 4

2A @ 5v is below the spec for a Pi4B. The Pi4B spec is 5v @ 3A.
by W. H. Heydt
Tue Dec 31, 2019 3:17 am
Forum: Beginners
Topic: Pi Zero W - mini hdmi to VGA
Replies: 11
Views: 345

Re: Pi Zero W - mini hdmi to VGA

In order to work with a Pi, the HDMI to VGA converter has to have active electronics. That means it has to get power from somewhere, usually either the HDMI port or a separate power supply. it is unlikely that you'll find a mini-HDMI to VGA converter. The most likely way to get it to work is a mini-...
by W. H. Heydt
Mon Dec 30, 2019 10:24 pm
Forum: General discussion
Topic: HDMI Trouble
Replies: 3
Views: 160

Re: HDMI Trouble

What sort of "HDMI to VGA" adapter do you have? Pis put out a "pure" HDMI signal. You laptop probably also puts out analog VGA on some of the pins. A passive "adapter" won't work with a Pi. It has to be an active device capable of converting the digital HDMI signals into the analog VGA signals. In y...
by W. H. Heydt
Sun Dec 29, 2019 12:53 am
Forum: Beginners
Topic: Why doesn't Raspbian have a Print utility?
Replies: 50
Views: 2251

Re: Why doesn't Raspbian have a Print utility?

Then, he will find the punch card with the bad command and re-punch that one punch card. Are you saying there is a better way to do this? That's the way I learned programming in college. I'm pretty sure it's still done the same way. Didn't they teach you how to plug the holes and repunch the card o...
by W. H. Heydt
Sat Dec 28, 2019 6:58 am
Forum: Beginners
Topic: Why doesn't Raspbian have a Print utility?
Replies: 50
Views: 2251

Re: Why doesn't Raspbian have a Print utility?

Most Pis probably never have to print anything.
by W. H. Heydt
Sat Dec 28, 2019 6:06 am
Forum: General discussion
Topic: RPi 4 USB-C Power Delivery Seems Fixed
Replies: 33
Views: 3787

Re: RPi 4 USB-C Power Delivery Seems Fixed

What about the RPi 4B ? I couldn't find anything online about whether the same problem applies to the 4B or not. I am about to buy one, so it would be nice to know. Thanks. The entire concern is with the Pi4B. All prior Pis used micro-USB power connectors and the USB-C issues simply didn't exist. S...
by W. H. Heydt
Sat Dec 28, 2019 6:01 am
Forum: General discussion
Topic: need advice
Replies: 12
Views: 585

Re: need advice

If you seriously do not know how to use a Raspberry Pi computer then you should not have purchased a RPI computer or convinced anyone to purchase the computer for you if you don't know how to use the RPI computer at all then return the computer to the store, yes Linux requires some computer experti...
by W. H. Heydt
Fri Dec 27, 2019 6:29 pm
Forum: General discussion
Topic: usb hd
Replies: 8
Views: 492

Re: usb hd

I've had good luck with this Eluteng adapter cable (picture is link, and if it looks different, it's not the same cable *2). I have some hopes that, with quite a bit more space to work with, when USB booting comes to the Pi4B it will be possible for the RPT to make it work with a much wider variety...

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