1602 16×2 LCD Blue Description:
1602 16×2 16*2 LCD standard 16-pin interface, including:
Pin 1: VSS is the ground power LCD 16X2 1602 Blue 2 feet: VDD then 5V positive power supply.
3 feet: V0 LCD contrast adjustment end, then the positive power supply when the contrast is the weakest, the highest contrast when grounded power, the contrast is too high will have a “ghosting”, when used by a 10K potentiometer to adjust the contrast.
4 feet: RS for the register selection, high-level data register selection, low-level instruction register selection.
5 feet: R / W for the read and write signal lines, high-level read operation, low-level write operation.
6th foot: E end is enable end, when E end jumps from high level to low level, the liquid crystal module carries out the order.
7 ~ 14 feet: D0 ~ D7 for the 8-bit bidirectional data lines.
15 feet: the positive power supply backlight
16th foot: backlight power negative
1602 16×2 LCD Blue About
Only 2 Arduino pins are occupied (Use I2C interface). 1602 16×2 16*2 Blue LCD
Supports standard I2C mode (100Kbit/s) and fast I2C mode (400Kbit/s).
Compatible with multiple communication logic levels: 2.8~5VDC.
Arduino library supported, use a line of code to complete the display.
Integrate 7 sizes of ASCll fonts, 5 graphics functions.
Provide dedicated picture data convert software (Bitmap Converter).
Most of the complex operation is processed by I2C_LCD independent controller, saving user controller resources.
Supports cursor function, can set up 16 cursor flicker frequency.
Supports 128 level backlight lightness adjustment.
4 symmetrical fixed hole design for easy user installation.
Support 64 level screen contrast adjustment.
Support device address modification.
Compatible with Grove interface and 4Pin-100mil interface
Supports 127 I2C_LCD work in parallel.en.wikipedia.org
When debugging code, it can take the place of the serial monitor to monitor the program running state.
Two abnormal recovery methods are provided: reset and restore the factory settings.
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