Item Power Su pply for logic Power supply for LCD Dri ve Input Voltage Operating Temperature Storage Temperature VL is the pin for adjusting contrast ratio it usually connects a potentiometer(no more than 5K) in series for its adjustment. ![]() In this project, we use 3.3V for backlight. Y Input Data: 4-Bits or 8-Bits interface available y Display Font : 5 x 8 Dots y Power Supply : Single Power Supply (5V ☑0%) y Driving Scheme : 1/16Duty,1/5B ias y BACKLIGHT(SIDE):LED(WHITE ) Character Size: 2.95 4.35 (W H) mm LCD 1602 Interface Description: Two power sources, one for module power, another one for backlight, generally use 5V. Y Display Mode: STN, BLU B y Display Formate: 16 Character x 2 L ine y Viewing Direction: 6 O’Clock ![]() Address Setting of PCD8574A (extract from PCF8574A data specs).
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