Arduino – CLCD with I2C – Temp Analog
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // or 0x3F int temp=A2; float vars; int boxs=0; void setup() { lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print("Temp : "); } void loop() { vars=((analogRead(temp) * 5.0 / 1024.0) - 0.5) * 100; lcd.setCursor(7,0); lcd.print(vars); lcd.write(223); lcd.print("C"); lcd.setCursor(0,1); lcd.print(20); lcd.setCursor(14,1); lcd.print(40); boxs=map(vars, 20, 40, 3, 12); lcd.setCursor(3,1); for (int i=3;i<13;i++) { if (boxs>=i) { lcd.write(255); } else { lcd.write(160); } } } |