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LCD DISPLAY 16X2
with Buttons
1. GENERAL INFORMATION
Dear customer,
Thank you for purchasing our product. In the following, we will show you
which things should be noted during the use.
Should you encounter any unexpected problems, do not hesitate to
contact us.
This manual is designed for version 2 of this display (PCF8574).
www.joy-it.net
Pascalstr. 8 47506 Neukirchen-Vluyn
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Summary of Contents for Joy-it LCD Display 16x2
- Page 1 LCD DISPLAY 16X2 with Buttons 1. GENERAL INFORMATION Dear customer, Thank you for purchasing our product. In the following, we will show you which things should be noted during the use. Should you encounter any unexpected problems, do not hesitate to contact us.
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Page 2: Connecting The Display
With an appropriate program (e.g Etcher), you can transfer the image on- to the SD card. After a successful transfer, the SD card can be put into the Raspberry Pi and the system can start. www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn... - Page 3 .. Before the use of the display, you must enable I2C. Therefore, enter the following command to open the Raspberry Pi configuration settings: sudo raspi-config Interfacing Options Select the option and confirm with Enter: www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn...
- Page 4 It could be necessary that you have to adjust the contrast manually before you can see the output of the display. Adjust the contrast by rotating the potentiometer with a small screwdriver, like it is shown in the picture below. www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn...
- Page 5 GPIO.input(SW1) == GPIO.LOW: lcd.clear() lcd.message ("Button 1 pressed!") GPIO.input(SW2) == GPIO.LOW: lcd.clear() lcd.message ("Button 2 pressed!") GPIO.input(SW3) == GPIO.LOW: lcd.clear() lcd.message ("Button 3 pressed!") GPIO.input(SW4) == GPIO.LOW: lcd.clear() lcd.message ("Button 4 pressed!") except KeyboardInterrupt: lcd.clear() GPIO.cleanup() www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn...
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Page 6: Other Information
We will send you a parcel stamp with which you can send us your old appliance free of charge. For this possibility, please contact us via e-mail at service@joy-it.net or via telephone. Information about Package: Please package your old appliance safe for transport. Should you not...