g1e-001a.ino
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#include <LiquidCrystal.h> LiquidCrystal lcd(8,9,4,5,6,7); void setup() { lcd.begin(16, 2); lcd.print("hello, world!"); analogWrite(10,50); } void loop() { lcd.setCursor(0,1); lcd.print(millis() / 1000); } |
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g1e-001b.ino
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#include <LiquidCrystal.h> LiquidCrystal lcd(8,9,4,5,6,7); void setup() { lcd.begin(16, 2); analogWrite(10,50); } void loop() { lcd.clear(); lcd.setCursor(0,0); lcd.print("analogRead A0"); lcd.setCursor(0,1); lcd.print(analogRead(0)); delay(500); } |
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g1e-001c.ino
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#include <LiquidCrystal.h> LiquidCrystal lcd(8,9,4,5,6,7); void setup() { lcd.begin(16, 2); analogWrite(10,50); lcd.setCursor(0,0); lcd.print("Enter Button:"); } byte LCD_Key () { int lcd_key_pr = analogRead(0); if (lcd_key_pr > 940) return 0; //Button none 1023 if (lcd_key_pr < 65) return 1; //Button Right 0 if (lcd_key_pr < 219) return 2; //Button Up 131 if (lcd_key_pr < 394) return 3; //Button Down 307 if (lcd_key_pr < 601) return 4; //Button Left 481 if (lcd_key_pr < 940) return 5; //Button Select 722 } void loop() { lcd.setCursor(0,1); switch (LCD_Key()) { case 0: lcd.print("none "); break; case 1: lcd.print("Right "); break; case 2: lcd.print("Up "); break; case 3: lcd.print("Down "); break; case 4: lcd.print("Left "); break; case 5: lcd.print("Select"); break; } } |
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