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Joy-it COM-OLED2.42 User manual

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Pascalstr. 8 47506 Neukirchen-Vluyn
OLED-DISPLAY MODULE
COM-OLED2.42
1. GENERAL INFORMATION
Dear customer,
thank you very much for choosing our product.
In following, we will introduce you to what to observe while starting up
and using this product.
Should you encounter any unexpected problems during use, please do
not hesitate to contact us.
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Pascalstr. 8 47506 Neukirchen-Vluyn
2. SETUP OF THE DISPLAY INTERFACE
The display can be controlled in 4 dierent ways, via I2C, SPI, 8-bit paral-
lel 6800 interface and 8-bit parallel 8080 interface.
The display is delivered pre-configured for control via SPI. If you want to
use one of the other control methods, you have to re-solder the resistors
BS1 and BS2 on the back of the board.
In the table, you can see how the resistors must be set for the respective
mode.
6800-parallel 8080-parallel I2C SPI
BS1 0110
BS2 1100
3. USE WITH AN ARDUINO
As the display works with a 3V logic level and most Arduinos with 5V, we
use an Arduino Pro Mini 3.3V in this example.
If you want to use an Arduino with a 5V logic level, such as an Arduino
Uno, you have to reduce all data lines leading from the Arduino to the dis-
play from 5V to 3.3V with a logic level converter.
First you need to install the required library in your Arduino IDE.
To do this, go to Tools -> Manage Libraries... Search for u8g2 and install
the library U8g2 by oliver
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Pascalstr. 8 47506 Neukirchen-Vluyn
SPI-Interface
Wiring
Display Pin 1247815 16
Arduino Pro
Mini Pin GND 3,3V
(VCC) 913 11 10 8
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Pascalstr. 8 47506 Neukirchen-Vluyn
SPI-Interface
Now open the GraphicTest code sample of the library.
To do this, click on:
File -> Examples -> U8g2 -> u8x8-> GraphicTest
Now insert the following constructor for the display into the programme,
as shown in the picture below:
U8X8_SSD1309_128X64_NONAME2_4W_SW_SPI u8x8(13, 11, 10, 9, 8);
Now you can upload the example to your Arduino.
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Pascalstr. 8 47506 Neukirchen-Vluyn
I2C-Interface
Wiring
Display Pin 12478916
Arduino Pro
Mini Pin GND 3,3V
(VCC) GND A5 A4 A4 9
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Pascalstr. 8 47506 Neukirchen-Vluyn
I2C-Interface
Now open the GraphicTest code sample of the library.
To do this, click on:
File -> Examples -> U8g2 -> u8x8-> GraphicTest
Now insert the following constructor for the display into the programme,
as shown in the picture below:
U8X8_SSD1309_128X64_NONAME2_HW_I2C u8x8(9, A4, A5);
Now you can upload the example to your Arduino.
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Pascalstr. 8 47506 Neukirchen-Vluyn
8 bit Parallel 6800-Interface
Wiring
Display Pin 1245678910 11 12 13 14 15 16
Arduino Pro
Mini Pin GND 3,3V
(VCC) 9GND 713 11 23456A3 10 8
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Pascalstr. 8 47506 Neukirchen-Vluyn
Now open the GraphicTest code sample of the library.
To do this, click on:
File -> Examples -> U8g2 -> u8x8-> GraphicTest
Now insert the following constructor for the display into the programme, as shown
in the picture below:
U8X8_SSD1309_128X64_NONAME0_6800 u8x8(13, 11, 2, 3, 4, 5, 6,
A3, 7, 10, 9, 8);
8 bit Parallel 6800-Interface
Now you can upload the example to your Arduino.
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Pascalstr. 8 47506 Neukirchen-Vluyn
8 bit Parallel 8080-Interface
Wiring
Display Pin 1245678910 11 12 13 14 15 16
Arduino Pro GND 3,3V 9 73,3V 13 11 23456A3 10 8
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Pascalstr. 8 47506 Neukirchen-Vluyn
8 bit Parallel 8080-Interface
U8X8_SSD1309_128X64_NONAME0_8080 u8x8(13, 11, 2, 3, 4, 5, 6,
A3, 7, 10, 9, 8);
Now open the GraphicTest code sample of the library.
To do this, click on:
File -> Examples -> U8g2 -> u8x8-> GraphicTest
Now insert the following constructor for the display into the programme,
Now you can upload the example to your Arduino.