Author Topic: NHD-7.0-HDMI-HR-RSXP-CTU  (Read 487 times)

rastam4n

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NHD-7.0-HDMI-HR-RSXP-CTU
« on: August 09, 2019, 08:21:48 AM »
Rpi 3b+
Screen flickering and ghosting of desktop images through applications.

Ted_M

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Re: NHD-7.0-HDMI-HR-RSXP-CTU
« Reply #1 on: August 09, 2019, 04:54:59 PM »
This effect could be caused by an insufficient DC power supply.
Please try a 6v or 7v, 2amp power supply for this HDMI display.

Best Regards,

rastam4n

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Re: NHD-7.0-HDMI-HR-RSXP-CTU
« Reply #2 on: August 26, 2019, 02:12:04 PM »
Okay that worked, I also turned up the hdmi output power within the config.txt

So next question, how do I get the touch screen working on my Raspberry Pi? Is there some software i need to install or settings to turn on? The manual seems to skip over the touchscreen function.

Ted_M

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Re: NHD-7.0-HDMI-HR-RSXP-CTU
« Reply #3 on: August 27, 2019, 09:54:28 AM »
The touch screen is a plug and play USB-HID device which is connected to through the Mini-USB port CN2.
No external drivers are required for Linux or Windows.

Best Regards,

rastam4n

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Re: NHD-7.0-HDMI-HR-RSXP-CTU
« Reply #4 on: October 11, 2019, 08:55:25 AM »
I am still experiencing difficulties with this screen and it seems to be linked to the use of touch

The display will work well during boot up etc and will stay stable if I use a keyboard and mouse, but once I try to use the touch screen it starts flickering and the touch stops working.
This happens often but not always, sometimes everything works as it should... sometimes for 15 or 20 minutes then it malfunctions again. What can be causing this?

 

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