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Table Of Contents

Raspberry Pi LCD User Manual

Rev 2.3, April 29

2015

share awesome hardware

Raspberry Pi LCD

User Manual

Features

 Designed for Raspberry Pi Model B/B+, an ideal alternative solution for HDMI monitor

 Convenient Men-Machine interface for Raspberry Pi, combined with the portable power, DIY

anywhere anytime

 Supports Raspbian system, enables your system to:

 Play videos (supports multi formats, MP4 and so on)

 Take photos by touching (up to 17 camera modes)

 Support software keyboard (system interaction without keyboard/mouse)

 Provides driver (can be used in your customized Raspbian system directly)

Contents

Features ...................................................................................................................................................... 1

1. Programming the image file .............................................................................................................. 2

2. Toggle between LCD and HDMI display ............................................................................................. 3

2.1. LCD display switch to HDMI display ...................................................................................... 3

2.2. HDMI display switch to LCD display ...................................................................................... 3

3. Touch screen calibration .................................................................................................................... 4

4. How to work with a camera ............................................................................................................... 5

5. FAQ ..................................................................................................................................................... 5

5.1. How to use LCD with customized image? ............................................................................. 5

5.2. Why the image cannot be used after updated? ................................................................... 5

6. Appendix ............................................................................................................................................ 6

6.1. Default entering the console after power up ....................................................................... 6

6.2. Modifying the font size ......................................................................................................... 6

Summary of content (6 pages)

PAGE 1
share awesome hardware Raspberry Pi LCD User Manual Raspberry Pi LCD User Manual Features  Designed for Raspberry Pi Model B/B+, an ideal alternative solution for HDMI monitor  Convenient Men-Machine interface for Raspberry Pi, combined with the portable power, DIY anywhere anytime   Supports Raspbian system, enables your system to:  Play videos (supports multi formats, MP4 and so on)  Take photos by touching (up to 17 camera modes)  Support software keyboard (system interaction without
PAGE 2
Raspberry Pi LCD User Manual share awesome hardware 1. Programming the image file 1) RPi LCD needs to use a SPI interface, but in the original image file of Raspberry Pi, the displayer is driven via a HDMI port. So the original image is not applicable for RPi LCD, and you should use the system image file provided by Waveshare.
PAGE 3
Raspberry Pi LCD User Manual 2. 2.1. 1) share awesome hardware Toggle between LCD and HDMI display LCD display switch to HDMI display The default boot mode of the system image in CD selects LCD display. And there will be no output to the external HDMI displayer if you apply one under this mode. In case that you want to use HDMI display, please execute the following commands: sudo su HDMI-SYS-SHOW 2) The system will load the driver (wait several minutes).
PAGE 4
share awesome hardware Raspberry Pi LCD User Manual 3. Touch screen calibration 1) Enter the following commands for touch screen calibration: su pi DISPLAY=:0.0 xinput_calibrator 2) After running these commands, there will be a prompt for four-point calibration shown in the LCD screen. Click the points one by one to finish the touch calibration. Then, the new calibration data will be displayed in the terminal, as shows below. Please get these data for future use.
PAGE 5
Raspberry Pi LCD User Manual 4. share awesome hardware How to work with a camera RPi LCD can also work with an external camera to take photos. In this operation, a Raspberry Pi camera is required, which should be purchased separately. To work with a camera, you should enter the terminal, and input: cd /home/pi/camera/ Camera Then, waiting several seconds, the camera application will be started automatically. Now, you can capture pictures by double clicking the screen. 5. 5.1.
PAGE 6
Raspberry Pi LCD User Manual 6. 6.1. share awesome hardware Appendix Defa ult entering the console a fter power up You can perform more operations to Raspberry Pi module by entering the console of the Raspbain. 1) Edit the file rc.local. you should enter the terminal, and input: sudo nano /etc/rc.local (Eidt the file rc.