waveshare 4inch DSI Round Touch LCD Display, 720 x 720 Pixel 10-Point Touch IPS Screen Supports Raspberry Pi4B/3B+/3A+, Compute Module 3/3+

Description

4inch DSI Round Touch Display, 720 720, IPS, 10-Point Touch Features 4inch IPS screen, 720 x 720 hardware resolution. Support 10-point capacitive touch, toughened glass panel with up to 6H hardness. Adopts optical bonding technique, clearer image. Drive the LCD directly via the DSI interface of the Raspberry Pi, up to 60Hz refresh rate. When used with Raspberry Pi, the Raspberry Pi OS driver is provided. Supports Pi 4B/3B+/3A+, another DSI-Cable-15cm is required for CM3+/4. Supports software control of backlight brightness. Package Content 4inch DSI LCD (C) x1 FPC 15 PIN cable (~ 50mm) x2 Screwspack x1 How-to-use document/User Manual://bit.ly/3HP7WQe Note 1. Update the system and execute the following commands: sudo apt-get update sudo apt-get full-upgrade After upgrading the system, some pre-install driver files may be covered, and you need to reinstall the driver so that it can normally display. 2. Replace the board If users have installed the driver on the Raspberry Pi 4 Model B before, they may find it is unable to normally display after changing the board such as Raspberry Pi 3 Model B+. As Pi4 and Pi3 need to load different driver files, you need to reinstall the drivers on the new board according to #Software Setting so that it can normally display