Arduino – CLCD with I2C – Antenna Power Guage
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 16, 2); int varRes=A1; byte user_value1[8]={ B00000, B00000, B00000, B00000, B00000, B00000, B11000, B11000 }; byte user_value2[8]={ B00000, B00000, B00000, B00000, B00011, B00011, B11011, B11011 }; byte user_value3[8]={ B00000, B00000, B11000, B11000, B11000, B11000, B11000, B11000 }; byte user_value4[8]={ B00011, B00011, B11011, B11011, B11011, B11011, B11011, B11011 }; byte user_value5[8]={ B11111, B10101, B01110, B00100, B00100, B00100, B00100, B00100 }; void setup() { lcd.init(); delay(1000); lcd.createChar(0, user_value1); lcd.createChar(1, user_value2); lcd.createChar(2, user_value3); lcd.createChar(3, user_value4); lcd.createChar(4, user_value5); lcd.setCursor(0,1); lcd.print("Antenna Power"); lcd.backlight(); } void loop() { viewAntenna(map(analogRead(varRes), 0, 1023, 0, 4)); } void viewAntenna(int num) { lcd.setCursor(13,0); lcd.write(4); switch (num) { case 0: lcd.print(" "); lcd.print(" "); break; case 1: lcd.write(0); lcd.print(" "); break; case 2: lcd.write(1); lcd.print(" "); break; case 3: lcd.write(1); lcd.write(2); break; case 4: lcd.write(1); lcd.write(3); break; } } |