Difference between revisions of "WeMOS: D1 R1 mini LCD I2C Hello World"
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Code | Code | ||
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/* | /* | ||
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D1 SCL | D1 SCL | ||
*/ | */ | ||
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#include <Wire.h> | #include <Wire.h> | ||
#include <LiquidCrystal_I2C.h> | #include <LiquidCrystal_I2C.h> | ||
Revision as of 18:35, 21 March 2023
Wemos Mini LCD1602 GND GND 3v3 VCC D2 SDA D1 SCL
Code
/*
Wemos Mini LCD1602
GND GND
3v3 VCC
D2 SDA
D1 SCL
*/
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F,16,2); // set the LCD address to 0x3F for
a 16 chars and 2 line display
void setup()
{
lcd.init(); // initialize the lcd
lcd.init();
// Print a message to the LCD.
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("Hello world");
lcd.setCursor(1,0);
lcd.print("ESP32 I2C LCD");
}
void loop()
{
}