Hi guys, I downloaded the i2c libray for the PCF8574 on the arduino site. but when i upload to my board, nothing shows up on the lcd. can someone tell me whether im doing something wrong? #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x38,16,2); // set the LCD address t…

i2c for 16x2 LCD display PCF8574

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