Jhd2x16i2c Proteus Exclusive

#define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin 1 #define Rs_pin 0 #define D4_pin 4 #define D5_pin 5 #define D6_pin 6 #define D7_pin 7

Mastering I2C LCD Simulation: The Exclusive Guide to JHD2X16I2C in Proteus VSM jhd2x16i2c proteus exclusive

Arduino Uno / ATmega328P JHD2X16I2C Module +--------------------------+ +-------------------+ | | | | | A5 (SCL) --------|---------| SCL | | | | | | A4 (SDA) --------|---------| SDA | | | | | +--------------------------+ | VDD (+5V) | | VSS (GND) | +-------------------+ Connection Checklist #define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin

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: The LCD turns on but displays no characters. Cause : Your code is sending data to the physical-world default address (0x27 or 0x3F), but the Proteus model is listening on address 0x7C. Solution : Open your microcontroller code and change the I2C address in your LiquidCrystal_I2C constructor or your custom send function to 0x7C .