RobotikaWall
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[code]#define I2C_SDA 23 #define I2C_SCL 22 #define LCD_I2C_ADDR 0x3f #define LCD_WIDTH 20 #define LCD_HEIGHT 4 #include <Arduino.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(LCD_I2C_ADDR, LCD_WIDTH, LCD_HEIGHT); void setup() { Serial.begin(115200); Serial.println("\n\n\nI2C LCD display test"); Wire.begin(I2C_SDA, I2C_SCL); lcd.begin(LCD_WIDTH, LCD_HEIGHT); lcd.backlight(); lcd.print("ahoj"); Serial.print("ahoj\n"); } int receiveCh; void loop() { if (Serial.available()) { receiveCh = Serial.read(); lcd.write(receiveCh); Serial.write(receiveCh); } }[/code]
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