Raspberry Pi 7 Inch Touchscreen is a low-cost 7-inch Capacitive Touch Screen LCD, HDMI interface, that supports various systems, is designed for Raspberry Pi. Both 5″ and 7″ displays have 800×480 pixels, and when used on Windows, at least, will autodetect and set the resolution.
For the Windows OS on the PC, the resolution of the LCD is automatically identified. Hence, you do not need to make the relative settings. When working with Raspberry Pi, you should set the resolution of the LCD by yourself, or else the LCD screen will not work. For more detailed information, please read the following section.
HOW TO USE:
Turn on the “backlight” switch then connect the LCD to your Pi (HDMI Port of LCD -> HDMI Port of Pi; USB Port of LCD -> USB Port of Pi; 5V~2A power supply). Download the Raspbian image from the Raspberry Pi website. Write the image to a TF card and append the following lines to the config.txt file which is located in the root of your TF card:
Both 5″ and 7″ displays have 800×480 pixels, and when used on Windows, at least, will autodetect and set the resolution. On Raspberry Pi, you’re better off forcing the HDMI resolution by using the following config.txt file (in /boot/config.txt) – you can edit it by popping the SD card into your computer, the config.txt file is in the root directory
max_usb_current=1 hdmi_group=2 hdmi_mode=87 hdmi_cvt 800 480 60 6 0 0 0 hdmi_drive=1
You must make sure that there are no spaces on either side of the equal sign.
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