13.3inch PiPad C4

13.3inch PiPad C4 13.3inch Mini-Computer Powered by Raspberry Pi CM4, HD Touch Screen

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Primary Attribute Category: OLEDs / LCDs, LCD, Raspberry Pi LCD {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

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Onboard Interfaces USB HDMI

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Overview

This is a 13.3-inch touch all-in-one computer with a built-in Raspberry Pi CM4, which can browse web pages, play small games, etc., 1920 x 1080 HD resolution, with toughened glass capacitive touch panel.

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Features

• 13.3inch IPS screen,1920 x 1080 high resolution.
• Embed Raspberry Pi CM4 as controller, quad-core 64-bit Cortext-A72 [email protected], Dual-band WiFi, Bluetooth5.0.
• Toughened glass capacitive touch panel, 6H hardness, supports up to 10-points touch.
• Embedded ferrite Hi-Fi speaker.
• Embedded Microphone And Speaker.
• 75x75mm spacing mounting holes (M4 screw hole).
• Comes with 75° tilt angle stand.

Difference between Magic mirror and Pipad

The only difference between the Magic mirror and the Pipad is that the Magic mirror use a one-way mirror and the Pipad use Toughened Glass.

Write Raspberry Pi OS

• Download the lasted Raspberry Pi OS image from the Rasberry Pi website and write it to an empty micro SD card.
  • Write Image for Compute Module Boards eMMC version
  • Write Image for Compute Module Boards Lite version
• Create a new txt file under the BOOT directory of the micro SD card and name it SSH.
• Modify config.txt file which is located at BOOT directory, add the following lines to config.txt file.

hdmi_group=2
hdmi_mode=82
hdmi_cvt 1920 1080 60 6 0 0 0

• Save and insert the micro SD card to Raspberry Pi.
• Connect the Magic mirror to network and power on Raspberry Pi.
• After booting, you can access Raspberry Pi via SSH/VNC, or directly connect the keyboard and mouse.

Check the USB Audio Card

• Test the sound output device

aplay -l

• Test the sound input device

arecord -l

USB2.0

To reduce consumption, USB interfaces are disabled in CM4 by default. If you need to use USB ports, please add the following line to config.txt file.

dtoverlay=dwc2,dr_mode=host

Then reboot the CM4. If you use the newest Bullseye image, the USB2.0 is set to OTG mode by default, and it occurs the error in CM4:

config failed, hub doesn't have any ports! (err -19)

To remove the errors, you can remove the line otg_mode=1 from config.txt file and add the line:

dtoverlay=dwc2,dr_mode=host

kepp display lighting all the time

• Modify lightdm.conf

sudo nano /etc/lightdm/lightdm.conf

• Find the line "Xserver-command" below [SeatDefaults] section and change it from

#xserver-command=X

to

xserver-command=X -s 0 -dpms

• -s # – set screen saver not enabled
• dpms turn off power saving management
• Then save and reboot

sudo reboot

RS232

To use the RS232 interface, please modify the config.txt file:

sudo nano /boot/config.txt

Add the following line the file and save

dtoverlay=uart3

RS485

To use the RS485, you need to enable the serial port of PI

sudo raspi-config

Choose Interface Option -> Serial -> No -> Yes, then reboot

Keys description

• 1: Open or Close LCD display. If you don't need the LCD for long time, you can use this button to reduce consumption
• 2: Direction button
• 3: "OK" function
• 4: Open menu and "Return" function

Resources

3D drawings

• 13.3inch HDMI LCD 3D drawings

Software

• Panasonic_SDFormatter-Formatting SD card
• Win32DiskImager-Writing SD card
• putty

Support

If you require technical support, please go to the Support page and open a ticket.