Question 1

I keep getting "Low Voltage Warning" on raspberry pi 4, why?

Accepted Answer

Dear customer,

Thank you for choosing Freenove. We are fully responsible for any concerns.
The main reason of this warning is the use of incompatible power supply, or an issue in the power cable

If you have any concerns, please feel free to contact us.

Best regards,
Shaynee
Freenove Support Team

Question 2

Is the power derived from the flat flex cable? it doesn't look like there is any usb or barrel jacks on the monitor.

Accepted Answer

On the one I bought, a 7-inch IPS display, there are two (1 positive and 1 negative) spring loaded (pogo pins) contacts on the LCD that make contact with the +5V and Ground pins on the bottom of the GPIO header when you mount the RPi onto the provided standoffs. GPIO pins 4 and 6. Those pins are still available to use on the top of the GPIO header too.
Alternatively, there was a 2-pin power cable and longer ribbon cables included with the one I bought, for remote mounting the Raspberry Pi some small distance (3-4 inches) away from the LCD display.

Question 3

How do I rotate the touchscreen matrix of this display for portrait mode? I have tried edev and /boot/config.txt nothing works

Accepted Answer

Dear customer,

Thank you for choosing Freenove. We are fully responsible for any concerns.
There are two kinds of display direction rotation: FKMS mode direction rotation and
traditional graphics mode direction rotation.
Because there are many steps, only the second method is sent. If you have any more questions, please contact us by email and we will send you a PDF file.

Method 2: Traditional graphics mode
By default, the Raspberry Pi 3, 2, and 1 series use traditional graphics mode.
Raspberry Pi 4B can also use traditional graphics mode, just in /boot/config.txt file
under the Pi 4:
dtoverlay=vc4-fkms-v3d
Comment out, as shown (Traditional graphics mode is generally not recommended
on Raspberry Pi 4B). In traditional graphics mode, this can be done by adding it at
the end of the /boot/config.txt file:
display_lcd_rotate=x（x=0,1,2,3,0x10000,0x20000）
To set the display orientation, reboot is required to take effect .

If you have any concerns, please feel free to contact us.
Best regards,
Shaynee
Freenove Support Team

Question 4

Can I plus this into the DSI slot on an Orange Pi 5 Plus?

Accepted Answer

Dear customer,

Thank you for choosing Freenove. We are fully responsible for any concerns.

No, it only works with Raspberry Pi.
• Compatible models -> Raspberry Pi 4B / 3B+ / 3B / 3A+ / 2B / 1B+ / 1A+. (No HDMI. Not compatible with any other device.)

If you have any concerns, please feel free to contact us.

Best regards,
Shaynee
Freenove Support Team

ASIN	B0B455LDKH
Aspect Ratio	16:9 - 1.66:1
Best Sellers Rank	12,173 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 247 in Monitors
Brand Name	FREENOVE
Colour	5 inch IPS touchscreen
Compatible Devices	Raspberry Pi 4B, 3B+, 3B, 3A+, 2B, 1B+, 1A+
Contrast Ratio	1000:1
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (340)
Display Technology	capacitive
Display Type	IPS
Hardware Connectivity	Unknown
Has Color Screen	Yes
Is Electric	No
Item Dimensions D x W x H	21.2D x 14W x 3.8H centimetres
Item Weight	0.19 Kilograms
Manufacturer	Freenove
Maximum Display Resolution	800x480
Model Name	FNK0078A
Model Number	FNK0078A
Mounting Type	Wall Mount
Native Resolution	800 x 480 pixels
Network Connectivity Technology	DISPLAY
Pixel Pitch	7.84
Product Features	5 Point Capacitive Touch Screen for Raspberry Pi
Product Warranty	1 year limited
Refresh Rate	60 Hz
Resolution	800x480
Screen Finish Type	Glossy
Screen Size	5 Inches
Shape	Rectangular
Specific Uses For Product	Raspberry Pi Projects
Viewing Angle	178 Degrees
Voltage	3 Volts
Warranty Type	Limited

Touchscreen for Raspberry Pi 5 4 Screen Display Monitor 5 Inch IPS

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