A popular graphical display is used in Nokia 5110 size: 48 rows and 84 columns. Use the controller PCD8544 (Nokia 3310), which implements all the functions required for the correct operation of the display. Communication is done via serial interface SPI. Module dimensions 45 x 45 mm.
The module is powered by 3.3 V voltage, the connection above the value of 5 Volts causes a decrease in contrast. From our tests it is evident that the findings also collaborate with a voltage of 5 Volts, so the device can run directly from the modules to the Arduino Uno and Leonardo.
The display is available in the GitHub library company Adafruit.
In order to use libraries, the device must be connected to the Arduino as follows:
|CE||4||Select device - analogue chip select of the SPI bus.|
|DC||5||Line of data / commands.|
|Din||6||A data line.|
|VCC||3.3 V||The voltage display.|
|BL||3.3 V||The supply voltage of the backlight.|
|GND||GND||The mass of the system.|
Displays may contain small scratches and defects. This is because the devices come with a tip series of issue phones.
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