Raspberry-Pi-400

Features

Raspberry Pi 400 incorporates a purpose-built board based on Raspberry Pi 4. portable. You can use it as a mini-PC by combining a Mouse and display.
CPU：1.8GHz ARM Cortex-A72（Pi4为1.5GHz）
RAM：4GB LPDDR4-3200
Connectivity:
- Dual-band (2.4GHz and 5.0GHz) IEEE 802.11b/g/n/ac wireless LAN;
- Bluetooth 5.0, BLE;
- Gigabit Ethernet;
- 2 × USB 3.0 and 1 × USB 2.0 ports;
Video&Sound:2 × micro HDMI ports (supports up to 4Kp60)
DIMENSIONS: 286 mm × 122 mm × 23 mm (maximum)

·Type-C Interface: Power interface, require 5V/3A power adapter.

·40PIN GPIO: Standart 40PIn GPIO for accessories.

·Micro SD card slot: For operating system and data storage

·Micro HDMI Interface: Support dual-displays 4K video output.

Question:

How to configure the touchscreen with dual dispalys?

Answer:

1.Open a terminal and input command: xrandr, and check the HDMI-ID of main display.;

2.Open a terminal and input command: xinput, to check the touch ID of main display；

3.Run the command: xinput map-to-output <touch ID> <HDMI-ID>

(The ID value should be changed according to the actual ID checked. for example: xinput map-to-output 7 HDMI-1 )

4.If you want to configure the touchscren and save the setting, you have to set it to auto start. sudo nano /etc/xdg/lxsession/LXDE-pi/autostart

Add the line: xinput map-to-output 7 HDMI-1

Note that You need to change the ID and reboot Raspberry Pi.

TAG： Raspberry Pi 5 Serial ESP32 MLX90640 ESP32-S3 Development Board 4 inch LCD TouchScreen Display 480x480 RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox ESP32-S3 7inch LCD Display 7 inch TouchScreen 7B 1024&times;600 N16R8 CAN RS485 Sensor Milk-V Duo Information 2.13 inch Passive NFC e-Paper ink (G) RYBW Display Screen No Need Battery Wireless Power & Data Transfer Raspberry Pi Transparent Screen ADXL354C Raspberry Pi 10.1 inch QLED Quantum Dot Display 1280x720 Capacitive Touchscreen For Computer PC/Jetson/Game Raspberry Pi 0.85inch LCD Cortex-A7 ESP32 ST7789 tutorial JETSON NANO MINI Sensor Raspberry Pi 5 Night Camera RP2040-PiZero Raspberry Pi 10.85 inch e-Paper ink screen display black white 1360×480 For Arduino /Jetson /STM32 /ESP32 Industrial UART To WiFi Raspberry Pi Screen 4.2 inch e-Paper Display G Red/Yellow/Black/White 4.2inch E-link Screen For Arduino /Raspberry Pi /Jetson Nano /STM32