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by mooblie
Fri Jul 24, 2020 8:42 pm
Forum: Troubleshooting
Topic: TP-link Wifi dongle (RTl8812au) not seeing all wifi networkss
Replies: 10
Views: 463

Re: TP-link Wifi dongle (RTl8812au) not seeing all wifi networkss

Do you have, say, a Windows10 PC you could plug your adapter into, to find out what networks THAT sees?

It would help determine if the problem is your networks, the adapter, the Pi, PiOS, etc...etc...
by mooblie
Thu Jul 23, 2020 11:48 am
Forum: Graphics, sound and multimedia
Topic: Asking about compatability for a project I have in mind.
Replies: 15
Views: 717

Re: Asking about compatability for a project I have in mind.

Yes, that looks like the I2C controller - it's a common part. Available cheaper on eBay, but I don't know where you are: https://www.ebay.co.uk/itm/I2C-1602-LCD-Board-Module-16x2-Character-LCD-Display-Module-HD44780-Controller/153490875020?hash=item23bcc4e28c:g:lPcAAOSw02Vc3NdS It drives either the ...
by mooblie
Thu Jul 23, 2020 6:23 am
Forum: Graphics, sound and multimedia
Topic: Asking about compatability for a project I have in mind.
Replies: 15
Views: 717

Re: Asking about compatability for a project I have in mind.

This one says Pi compatible, but they all are. They’re all the same devices, including that I2C module on the back. You can select 16x2 or 20x4 in the item selection menu on eBay: https://www.ebay.co.uk/itm/LCD-I2C-Display-1602-or-2004-Blue-ideal-for-Arduino-or-Raspberry-Pi-UK-Seller/153437390872?ha...
by mooblie
Thu Jul 23, 2020 5:32 am
Forum: Graphics, sound and multimedia
Topic: Asking about compatability for a project I have in mind.
Replies: 15
Views: 717

Re: Asking about compatability for a project I have in mind.

Seems very expensive. Is the “rgb” backlight facility essential for you? If not, such displays cost about 7 GBP - including an I2C interface that gives your a four- or five- wire interface to the Pi. No hat needed. https://www.ebay.co.uk/itm/With-Without-IIC-I2C-2004-20X4-Character-LCD-Module-Displa...
by mooblie
Tue Jul 21, 2020 7:11 pm
Forum: Beginners
Topic: Teamviewer on Raspberry Pi? [obsolete]
Replies: 10
Views: 4268

Re: Teamviewer on Raspberry Pi? [obsolete]

VNC, not VHC. (just for info.) :x
by mooblie
Sun Jul 19, 2020 11:12 pm
Forum: Beginners
Topic: Sense HAT + Argon One Case?
Replies: 14
Views: 519

Re: Sense HAT + Argon One Case?

Just stack one or more of these ? - a 2x20 male-to-female header: UK: https://www.ebay.co.uk/itm/232575164343 or Germany: https://www.ebay.de/itm/232575164343 http://www.headspin.plus.com/forums/2x20-header.jpg ...or a right-angled version, if you want to avoid your hat being directly over the Pi: h...
by mooblie
Sun Jul 19, 2020 7:33 pm
Forum: Beginners
Topic: Sense HAT + Argon One Case?
Replies: 14
Views: 519

Re: Sense HAT + Argon One Case?

Isn't there a magnetically-attached access panel on the Argon One case, revealing the 40-pin GPIO connector?
by mooblie
Sat Jul 11, 2020 10:44 pm
Forum: General discussion
Topic: HDMI cable and Pi4b case
Replies: 5
Views: 249

Re: HDMI cable and Pi4b case

This shows two similar, but different, Pi4 cases:

Image

Guess which one has problems with HDMI cables? Which is your case like?
by mooblie
Fri Jul 10, 2020 10:04 pm
Forum: General discussion
Topic: How to interface two RPIs to outsource some tasks
Replies: 6
Views: 229

Re: How to interface two RPIs to outsource some tasks

I am rather "old school" and may be talking nonsense, but anyway:

If you're after maximising throughput, surely as a first step, a compiled language such as C - or a variant - is going to be substantially faster than an interpreted language like Python?
by mooblie
Sun Jun 14, 2020 6:57 pm
Forum: Troubleshooting
Topic: PI4 no signal on new Sony tv
Replies: 18
Views: 853

Re: PI4 no signal on new Sony tv

I would suggest getting a new SD card (not expensive, and it will always be useful in the future) and burning a new virgin copy of Raspberry PiOS onto it, and trying that. Get the hardware going first, and once that's OK, THEN swap back to your original SD card, and investigate the configuration iss...
by mooblie
Tue Jun 02, 2020 7:24 pm
Forum: Troubleshooting
Topic: Can't set up Pi Zero in headless mode!
Replies: 15
Views: 646

Re: Can't set up Pi Zero in headless mode!

Yes, I've just added a link in my previous post to another article about using the PiZero in gadget mode - as I assume Tom's Hardware guide attempt, and as rpdom helpfully suggested above too.

Sorry I haven't' ever done that myself - can't help much more...
by mooblie
Tue Jun 02, 2020 7:19 pm
Forum: Troubleshooting
Topic: Can't set up Pi Zero in headless mode!
Replies: 15
Views: 646

Re: Can't set up Pi Zero in headless mode!

True, you don't HAVE to connect it to the internet to do some projects, but you have a choice: - either run it headless, and use your inhouse network to talk to it from another computer, or - connect a keyboard and screen to the Pi directly, and run it in complete isolation, or - connect it via USB ...
by mooblie
Tue Jun 02, 2020 7:09 pm
Forum: Troubleshooting
Topic: Can't set up Pi Zero in headless mode!
Replies: 15
Views: 646

Re: Can't set up Pi Zero in headless mode!

Just scanning your post - if it's a PiZero (NOT W), how are you expecting to connect it to your network? Am I missing something obvious here, or are you?? :) You need to add either: - a USB-to-wired Ethernet dongle, and an Ethernet patch cable to your router, or - a USB-wifi dongle (in which case th...
by mooblie
Sun May 24, 2020 6:20 pm
Forum: General discussion
Topic: Chromium UI Scaling
Replies: 5
Views: 459

Re: Chromium UI Scaling

On Raspbian Desktop, have you tried Preferences menu: Raspberry Pi Configuration: Display: Pixel Doubling? It will affect the display size of everything, and you may have to set a lot of the things you've already done back to "normal" but it works well for me on a large HD TV screen across the livin...
by mooblie
Mon May 18, 2020 9:20 pm
Forum: Beginners
Topic: raspberry pi zero and ssh
Replies: 10
Views: 382

Re: raspberry pi zero and ssh

https://elinux.org/RPi_USB_Ethernet_adapters ...and of course, if you look through the reviews of the cheap adapters on Amazon, the successful use on a Pi is often confirmed. If you can identify the chip used inside a working adapter, then find a cheap no-name model with the same chip (on eBay or Al...
by mooblie
Mon May 18, 2020 5:33 pm
Forum: Beginners
Topic: raspberry pi zero and ssh
Replies: 10
Views: 382

Re: raspberry pi zero and ssh

I guess it's not a Pi Zero W? so you could try WiFi instead of wired? Maybe you'll have to connect a keyboard and screen directly to the Pi Zero, at least temporarily, to see what's going on. Maybe the USB-to-Ethernet dongle you have is not compatible with the Pi's OS? You haven't got the power inpu...
by mooblie
Mon May 18, 2020 4:20 pm
Forum: Beginners
Topic: raspberry pi zero and ssh
Replies: 10
Views: 382

Re: raspberry pi zero and ssh

Did you put an empty file named "ssh" in the /boot/ root folder before you tried this?

Easiest to do this with the PC when you first burn the SD card.

Also: does a network monitor program (from another device on the network) show the Pi Zero as having been issued with an IP address?
by mooblie
Sat May 16, 2020 11:10 pm
Forum: Graphics, sound and multimedia
Topic: Simple plug and play media player for my grandfather.
Replies: 5
Views: 510

Re: Simple plug and play media player for my grandfather.

If he has a reasonably recent TV, it will have the inbuilt function “HDMI-CEC” and that means the TV remote will control the Pi running Libreelec+Kodi already.

It really does make a neat and cheap media player, that is easy to setup and use.
by mooblie
Sat May 16, 2020 6:10 am
Forum: Networking and servers
Topic: A very basic question on IP addresses
Replies: 8
Views: 530

Re: A very basic question on IP addresses

If your address seems to appear on a public website, why not post that website address here, and let us all try it? Here is the website I mentioned. https://www.the-art-of-web.com/system/fail2ban-howto/?hilite=fail2ban+filter In the first section on "Modifying the jail.conf file" does the line " ig...
by mooblie
Fri May 15, 2020 7:07 am
Forum: General discussion
Topic: Shutdown Button not Working???
Replies: 1
Views: 162

Re: Shutdown Button not Working???

If the green activity LED eventually gives ten regular flashes, then stops, the shutdown has worked OK.

However, it doesn’t actually cut the power, so the red power LED stays on until power is physically removed or switched off “at the wall”.
by mooblie
Fri May 15, 2020 6:38 am
Forum: Beginners
Topic: Boot from a USB disk (Rasp 4 4GB modelB)
Replies: 4
Views: 367

Re: Boot from a USB disk (Rasp 4 4GB modelB)

This tutorial worked well on my Pi4B 4GB:

https://jamesachambers.com/raspberry-pi ... sh-drives/
by mooblie
Thu May 14, 2020 1:40 pm
Forum: Beginners
Topic: Old Raspberries...
Replies: 15
Views: 1121

Re: Old Raspberries...

Would Pihole work? Worth investigating:

https://pi-hole.net/
by mooblie
Mon May 11, 2020 6:42 pm
Forum: Networking and servers
Topic: A very basic question on IP addresses
Replies: 8
Views: 530

Re: A very basic question on IP addresses

If your address seems to appear on a public website, why not post that website address here, and let us all try it?
by mooblie
Sat May 09, 2020 2:42 pm
Forum: Troubleshooting
Topic: LCD screen cutting off windows at the bottom
Replies: 3
Views: 146

Re: LCD screen cutting off windows at the bottom

It's always going to be a problem when you use a GUI on a small screen - many dialogue boxes and fixed sized windows are too big. I'm guessing you're using a 3.5" diagonal touchscreen? You can always ask the Pi Foundation itself about smaller or scrollable windows - but not here - this forum is main...
by mooblie
Sat May 09, 2020 10:36 am
Forum: Troubleshooting
Topic: LCD screen cutting off windows at the bottom
Replies: 3
Views: 146

Re: LCD screen cutting off windows at the bottom

If you have connected (or can connect) a physical keyboard, does holding down 'alt' then allow you to physically drag the window around with the mouse (from anywhere in the window's centre) to show the buttons you need access to at the bottom?

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