Difference between revisions of "Raspberry Pi 4 Model B"

From Diustou Wiki
 
(2 intermediate revisions by the same user not shown)
Line 23: Line 23:
 
}}
 
}}
  
==Instruction==
+
== Introduction ==
 
Raspberry Pi 4 Model B, the completely upgraded, re-engineered model of the Pi family. It has more powerful processor, faster networking, supports dual 4K output, and provides different choice of RAM.
 
Raspberry Pi 4 Model B, the completely upgraded, re-engineered model of the Pi family. It has more powerful processor, faster networking, supports dual 4K output, and provides different choice of RAM.
  
===Features===
+
=== Features ===
 
*BCM2711B0 (ARM Cortex-A72)
 
*BCM2711B0 (ARM Cortex-A72)
 
**64-bit 1.5GHz quad-core
 
**64-bit 1.5GHz quad-core
Line 48: Line 48:
 
==Resource==
 
==Resource==
 
*[https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md Raspberry Pi Hardware Resouces (official)]
 
*[https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md Raspberry Pi Hardware Resouces (official)]
 
== 系列教程 ==
 
{{Raspberry Pi Study}}
 
  
 
== FAQ ==
 
== FAQ ==
<div class="tabbertab" title="FAQ">
+
{{Service}}
{{FAQ|HDMI 屏幕无法显示怎么办?|
 
1.  树莓派有两个 HDMI 口,但在默认情况下,只工作于靠近电源的 HDMI 口。
 
 
 
2.  编辑 config.txt,加入:
 
<pre>
 
hdmi_safe=1
 
overscan_left=-30
 
overscan_right=-30
 
overscan_top=-30
 
overscan_bottom=-30
 
hdmi_group=2
 
hdmi_mode=4
 
hdmi_drive=2
 
config_hdmi_boost=4
 
</pre>
 
再重启动树莓派。
 
 
 
3.  如果上面这段无法解决您的问题,请重新注释掉,然后加入下面这段:
 
<pre>
 
max_usb_current=1
 
hdmi_force_hotplug=1
 
config_hdmi_boost=10
 
hdmi_group=2
 
hdmi_mode=87
 
hdmi_cvt 1920 1080 60 6 0 0 0
 
</pre>
 
注意,1920 1080 需要改成显示器对应的分辨率。
 
}}
 
{{FAQ|树莓派4双屏显示如何指定触摸到主屏上?|
 
1.在树莓派终端输入xrandr,查看主屏所在的HDMI-ID(大部分是HDMI-1);
 
 
 
[[File:Pi4-指定触摸-1.png|600px]]
 
 
 
2.在树莓派终端输入xinput,查看主屏所在的触摸ID(有2个触摸ID,如果不知道哪个是主屏,可以都试一下);
 
 
 
[[File:Pi4-指定触摸-2.png|600px]]
 
 
 
3.运行指令:xinput map-to-output &lt;touch ID&gt; &lt;HDMI-ID&gt;
 
 
 
(把ID值对应后运行指令即可指定触摸到主屏上,如:xinput map-to-output 7 HDMI-1 )
 
 
 
[[File:Pi4-指定触摸-3.png]]
 
 
 
4.由于每次开机都需要重新输入指令,可以将此指令添加到开机自启中去:
 
 
 
sudo nano /etc/xdg/lxsession/LXDE-pi/autostart
 
 
 
添加: xinput map-to-output 7 HDMI-1 (记得改成自己对应ID),然后重启即可。
 
 
 
[[File:Pi4-开机自启-4.png|600px]]
 
 
 
}}
 
{{FAQ
 
|为什么目前建议使用 Raspberry Pi OS 32-bit 版本,而非 64-bit 版本?
 
|2=目前树莓派官方推荐的系统是 Raspberry Pi OS 32-bit,而 64-bit 版本仍在测试阶段。 ([https://downloads.raspberrypi.org/raspios_arm64/images/ 点击下载 Raspberry Pi OS 64-bit])。
 
 
 
64-bit 版本存在一些已知问题,参见 [https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=275372 官方论坛置顶帖]
 
}}
 
</div>
 
<!--{{Join_us}}-->
 
</div>
 
 
 
<div class="tabbertab" title="售后"><br />{{Service00}}</div>
 

Latest revision as of 10:31, 19 March 2021

Raspberry Pi 4 Model B
Raspberry Pi 4 Model B
Information

Categories: Raspberry Pi

Brand: Raspberry Pi

Description
Features
  • Rasbperry Pi 4 Model B

Interfaces

DSI CSI HDMI USB I2C I2S SPI UART RPi RJ45

Related products

{{{related}}}

Introduction

Raspberry Pi 4 Model B, the completely upgraded, re-engineered model of the Pi family. It has more powerful processor, faster networking, supports dual 4K output, and provides different choice of RAM.

Features

  • BCM2711B0 (ARM Cortex-A72)
    • 64-bit 1.5GHz quad-core
  • Choice of RAM
    • PI4B-1GB: 1GB
    • PI4B-2GB: 2GB
    • PI4B-4GB: 4GB
  • Gigabit Ethernet
  • 802.11ac 2.4GHz/5GHz dual-band NIC
  • Bluetooth 5.0, BLE
  • USB 3.0 x 2, USB 2.0 x 2
  • micro HDMI x 2 (supports 4Kp60)
  • PoE header (supports PoE HAT)
  • MicroSD slot
  • 3.5 mm audio jack
  • 40PIN GPIO header
  • CSI camera interface
  • DSI display interface
  • USB Type C power supply (5V/3A or above)

Resource

FAQ

Icon-mail.png Contact us

Working hours: 09:00-18:00 (UTC+8 Monday to Saturday)