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by aBUGSworstnightmare
Thu Dec 12, 2019 12:42 pm
Forum: General discussion
Topic: Rpi4 - 4k HDMI + 7" Touch Display - Touch not in sync
Replies: 2
Views: 83

Re: Rpi4 - 4k HDMI + 7" Touch Display - Touch not in sync

What is your understanding of 'sync the touch? you want to have touch events on your 7in screen only (as well as mouse movements) or do you want to have touch/mouse on 7in+4k display? What happens if you change the positions of the screen (screen layout editor) to have the 7in left of your 4k screen...
by aBUGSworstnightmare
Wed Dec 11, 2019 3:02 pm
Forum: Troubleshooting
Topic: How To Switch Between Monitors on the RPi4B?
Replies: 1
Views: 65

Re: How To Switch Between Monitors on the RPi4B?

Ever tried the Screen Layout Editior for placing both monitors side by side (as they are on top of each other in your case)?
https://www.raspberrypi.org/documentati ... /arandr.md
by aBUGSworstnightmare
Wed Dec 11, 2019 3:00 pm
Forum: Troubleshooting
Topic: No video output on Pi4
Replies: 1
Views: 40

Re: No video output on Pi4

What is the resolution of your TV? Why don't you simply use a Raspbian image instead of Noobs?
by aBUGSworstnightmare
Wed Dec 11, 2019 2:57 pm
Forum: Troubleshooting
Topic: Rasberry CM3+ DPI (parallel) 7" touch screen with vc4 Opengl driver
Replies: 2
Views: 69

Re: Rasberry CM3+ DPI (parallel) 7" touch screen with vc4 Opengl driver

Just a question ... are you on a custom carrier board? What about your HDMI connections? Is a connector present or what is connected?
by aBUGSworstnightmare
Wed Dec 11, 2019 12:24 pm
Forum: Compute Module
Topic: Best way to connect a third party display
Replies: 3
Views: 115

Re: Best way to connect a third party display

https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=188450#p1361021 bridging HDMI to LVDS. There are HDMI to MIPI bridges available to the market (as well as DPI to MIPI) .. look at your 'generic driver board'. Sure, you can use MIPI DSI as well; there are posts on the forum where folks got it w...
by aBUGSworstnightmare
Thu Dec 05, 2019 11:23 am
Forum: HATs and other add-ons
Topic: Dual USB C Power Supply For Raspberry PI 4?
Replies: 8
Views: 319

Re: Dual USB C Power Supply For Raspberry PI 4?

https://www.audiophonics.fr/en/power-supply-accessories/male-usb-c-to-bare-wires-power-cable-22awg-25cm-p-13576.html connected to a PSU of your choice ... i.e. https://www.meanwell.com/webapp/product/search.aspx?prod=SP-480 Use the trimmer to increase output voltage to 5.1xV ... 85A output current (...
by aBUGSworstnightmare
Wed Dec 04, 2019 8:51 am
Forum: General discussion
Topic: Raspberry pi 4 power with out power adapter??
Replies: 6
Views: 342

Re: Raspberry pi 4 power with out power adapter??

That's fine. Make sure your printer is able to deliver enough current
by aBUGSworstnightmare
Sun Dec 01, 2019 4:32 pm
Forum: HATs and other add-ons
Topic: LVDS add-on for Raspberry models with 40pin GPIO
Replies: 100
Views: 70695

Re: LVDS add-on for Raspberry models with 40pin GPIO

bird2000 wrote:
Sun Dec 01, 2019 12:19 pm
Thx, than the explanations and the way offered by Peter are correct and MichaRs comments targets to a other context. But the main questions about the new PCB you haven't answered - ETA and location?
ETA= When it's done
Location: Germany
by aBUGSworstnightmare
Sat Nov 30, 2019 8:27 am
Forum: Graphics, sound and multimedia
Topic: [Question] 8 HD screens on Rapsberry pi 4
Replies: 8
Views: 388

Re: [Question] 8 HD screens on Rapsberry pi 4

Thank you for your answer. I want to be able to display different video streams on each display. The goal is to have the Rpi 4 to receive 8 different video streams over the network and display them on the 8 displays. Most of the time though, I just want to display static images. Video would only be...
by aBUGSworstnightmare
Fri Nov 29, 2019 5:38 am
Forum: HATs and other add-ons
Topic: LVDS add-on for Raspberry models with 40pin GPIO
Replies: 100
Views: 70695

Re: LVDS add-on for Raspberry models with 40pin GPIO

Hi, cheaper sounds well, but only two layers ? MichaR is the meaning that this will result in a poor signal! Do you have a ETA of release ? Where are you located because of shipping cost ? MichaR's comment is in another context. What is proven working here https://www.raspberrypi.org/forums/viewtop...
by aBUGSworstnightmare
Thu Nov 28, 2019 4:10 pm
Forum: HATs and other add-ons
Topic: LVDS add-on for Raspberry models with 40pin GPIO
Replies: 100
Views: 70695

Re: LVDS add-on for Raspberry models with 40pin GPIO

Hello @aBUGSworstnightmare, if available I would to buy one or two of the LVDS4PI boards. best regards Birgitt Hi Birgitt, sorry, but all boards are gone already (for quite some time). Anyhow, I've also needed some more and decided to design a successor which will solve some issues: - one board whi...
by aBUGSworstnightmare
Mon Nov 25, 2019 5:20 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: raspberry pi zero 2 display hdmi + gpio
Replies: 1
Views: 89

Re: raspberry pi zero 2 display hdmi + gpio

I have no idea on your 3.2in display, but you may want to try this https://www.raspberrypi.org/forums/view ... 9#p1547239 procedure
by aBUGSworstnightmare
Fri Nov 22, 2019 4:41 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Pi Zero - mini HDMI port broken?
Replies: 2
Views: 129

Re: Pi Zero - mini HDMI port broken?

Remove all changes you've made to config.txt which are related to HDMi. Which monitor (resolution) do you use?
by aBUGSworstnightmare
Thu Nov 21, 2019 5:50 am
Forum: Troubleshooting
Topic: Hyundai C430ML widescreen TFT with Raspberry Pi
Replies: 9
Views: 203

Re: Hyundai C430ML widescreen TFT with Raspberry Pi

Based on the EDID (assuming the detailed timings are correct), then your hdmi_timings= line is hdmi_group=2 hdmi_mode=87 hdmi_timings=1920 1 88 44 148 540 1 2 5 15 0 0 0 60 0 74250000 7 And that will be passed into DRM as the sole mode that the display supports. That seems to scan out reasonably, b...
by aBUGSworstnightmare
Wed Nov 20, 2019 3:47 pm
Forum: Troubleshooting
Topic: Hyundai C430ML widescreen TFT with Raspberry Pi
Replies: 9
Views: 203

Re: Hyundai C430ML widescreen TFT with Raspberry Pi

pupio wrote:
Wed Nov 20, 2019 11:33 am
Hi Jemesh,

the display have 2 HDMI Ports.
One of the HDMI's is your input, the other one is an output (for videowall).
by aBUGSworstnightmare
Wed Oct 30, 2019 5:31 pm
Forum: Compute Module
Topic: 9500A on the CM
Replies: 4
Views: 530

Re: 9500A on the CM

9500A is a USB to Ethernetcontroller without a hub, correct?
If yes, how do you want to connect a USB wifi chip if there is only one USB interface?
by aBUGSworstnightmare
Tue Oct 29, 2019 12:54 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Oled burn in
Replies: 11
Views: 764

Re: Oled burn in

I understand, the display is just 4 or 5 months old. ... when you bought it! Possible root cause for this can be wrong initialization/driving as well (what waveshare implemented in their board). Can't imagine the module itself was developed for them. Must be some smartphone display which they were ...
by aBUGSworstnightmare
Tue Oct 29, 2019 10:43 am
Forum: Troubleshooting
Topic: 7 Inch Touch screen fried my Pis
Replies: 10
Views: 519

Re: 7 Inch Touch screen fried my Pis

The stock USB power supply that came with the Pi and screen no power supply comes with the official screen (https://www.raspberrypi.org/products/raspberry-pi-touch-display/) How do you supply power to the screen? It has it's own microUSB (!) connector for power. Maybe you should post a picture of w...
by aBUGSworstnightmare
Tue Oct 29, 2019 10:03 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Oled burn in
Replies: 11
Views: 764

Re: Oled burn in

Here is a picture of it https://i.ibb.co/G2LsQGq/IMG-2944.jpg As you can see the screen (which should be completely white) has a lot of yellow and brownish marks. The brown vertical stripes are exactly on the position where white text is going up and down. The yellow spots are places where light bl...
by aBUGSworstnightmare
Tue Oct 29, 2019 5:37 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Oled burn in
Replies: 11
Views: 764

Re: Oled burn in

don't know what you're seeing as you did not post a picture (means is it really burn-in or just image retention) Keep in mind that OLED is aging even when turned off. To prevent different aging of pixels you should use pixel shift, some refresher function (i.e. horizontal line moving down your scree...
by aBUGSworstnightmare
Sat Oct 26, 2019 6:37 am
Forum: Graphics, sound and multimedia
Topic: Looking for display
Replies: 1
Views: 769

Re: Looking for display

Use a screen size which fits the length and only output to the visible area of your old lcd. Means the other display area stays black. You can do this i.e, by adjusting frame buffer size and display start position or by usimg your own GUI. Or search the web for some bar type display, i.e. https://m....
by aBUGSworstnightmare
Fri Oct 18, 2019 7:16 am
Forum: Compute Module
Topic: [SOLVED] DSI Panel JDI LT070ME05000 bringup issues
Replies: 9
Views: 1859

Re: DSI Panel JDI LT070ME05000 bringup issues

It works! DSI LCD Working I noticed that the documentation for the kernel explicitly states that the reset signal is 1.8V and required a high drive current. When designing the board I missed the high drive current thinking that the LCD would have all the necessary buffers so I had only used a volta...
by aBUGSworstnightmare
Sat Oct 12, 2019 6:33 am
Forum: Advanced users
Topic: STICKY: HOWTO: Create Custom HDMI modes
Replies: 215
Views: 376881

Re: STICKY: HOWTO: Create Custom HDMI modes

Hello, it is true that custom video modes (hdmi_mode 87) are not supported on RPI4? Thank you seems to work for some folks. But you might be better off with putting them into an EDID.dat file - under detailed timings section. But this is work in progress as it requires new firmware (which is still ...
by aBUGSworstnightmare
Sat Oct 12, 2019 6:31 am
Forum: Gaming
Topic: Multiple Monitors running separate images - Retropie
Replies: 1
Views: 754

Re: Multiple Monitors running separate images - Retropie

What is a 40-pin RGB TFT connected to HDMI port? There is no standard for interfaces in regards of no of pins, hence you will have to have a suitable A/D-board for your Marquee display (which has HDMI input from the host). You can run two displays from a single Pi, but you will have to write a scrip...
by aBUGSworstnightmare
Fri Oct 11, 2019 5:27 am
Forum: Other projects
Topic: HELP!! Proximity Detection For College Project
Replies: 5
Views: 654

Re: HELP!! Proximity Detection For College Project

Well, better use something like this https://www.sick.com/de/de/optoelektronische-schutzeinrichtungen/sicherheits-laserscanner/c/g187225?cmp=PS:SVD:de:ggl:02Sicherheits-Laserscanner:02Sicherheits-Laserscanner:safetylaserscanner:empty&s_kwcid=AL!8057!3!235069181410!b!!g!!safety%20laserscanner&gclid=E...

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