LCD Module Screen LCM 2004 20X4 HD44780 Blue backlight Micro Swiss 3DE Premium - ABS -

3DE Premium - ABS - Signal Yellow - 1

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-  Turn off the equipment when not in

LCD Module Screen LCM 2004 20X4 HD44780 Blue backlight Micro Swiss 3DE Premium - ABS -Standard HD44780 LCD with blue backlight, white letters Standard 16X2 character LCD module (backlight blue) 1602 with standard 16 pin connector, including: Pin 1: VSS is in power Pin 2: VDD 5V positive power supply connection Pin 3: V0 LCD contrast adjustment for the client, then the contrast is the weakest power, ground power the highest contrast, the contrast is too high will have a "ghosting", when used with a 10K potentiometer to adjust contrast