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New Design Screen built-in fan which can drop temperature quickly, and keep your Pi Cool when working. The case is compatible with Rpi 4 perfectly.
The screen connect with SPI directly, Physical resolution is 320*480 Pixel with resistive touch control. No additional Power.
The Screen Support 125MHz SPI signal input, stable display without flicker, the refresh rate is about 50fps, enough to play the video and game.
The screen need install driver, otherwise screen ONLY show white. If you don’t how to install driver, Please try the Pre-install Driver System to test screen working statues

Product description

Please notice after install 3.5 inch screen, can't connect HDMI screen at same time

if need change to back HDMI monitor, (HDMI Screen and 3.5 inch screen can't work at same time), please execute:

cd LCD-show/
sudo ./LCD-hdmi

Must Read before Order the Item

Product advantage:

The power interface is designed in the screen PCB board. Connect fan which can cool the Raspberry Pi quickly with the heat-sink
Match for Pi 4 Protective Case for screen and host, easy to install
Up to 50fps refresh rate, 125MHZ signal input, stable and flicker free
The size is the same as the Raspberry Pi 4, it can be a touch screen and proived a better human-computer interaction experience.
Offer Pre-install Driver RASPBAIN BUSTER system image for Pi 4 at the End of the Tutorial
The Screen also Support Pi 3 B+, Pi 2. (The Case only suit for Pi 4).

Notice:

After the screen is installed, GPIO cannot be used. And Don't have backlight ON/Off Key
After install the driver according Tutorial Step, some customers will meet the system crashes or can display nothing on the screen (If you are not familiar with the Raspberry Pi, We strongly recommended you that use the system with the driver installed)
The resolution is small, only 320*480 P, the screen often cannot display the complete interface.
Customers often have wrong connection screen with Pi board, Led to the touch function can not be used
Does not support other systems such as Windows.
It's not IPS screen, The best view able is in the vertical position

if need change to back HDMI monitor, (HDMI Screen and 3.5 inch screen can't work at same time), please execute:

cd LCD-show/
sudo ./LCD-hdmi

How to rotate the screen?

cd LCD-show/
sudo ./rotate.sh 90

After the execution is completed, the system will automatically restart, then the display can be rotated 90 degrees to display and touch normally. (' 90 ' can also be changed to 0, 90, 180, 270 and other values, representing the rotation angle of 0 degrees, 90 degrees, 180 degrees, 270 degrees)