Character LCD 20×2 /w Backlight
Spesifikasi Teknis
- Number of Character = 20 char x 2 line
- Dimension = 116 x 37 x 13.9 mm
- Dot Size = 0.6 x 0.65 mm
- Character Size = 3.20 x 5.55 mm
- Backlight Type = LED
- LCD Type = STN, Positive
- Driver = HD44780/sejenis

Berikut ini kode untuk menampilkan pesan di LCD tersebut menggunakan Bascom AVR dan mikrokontroler AVR Atmega8535

‘ PROGRAM ALARM KEBAKARAN
Declare Sub Tampil()
‘konfigurasi LCD 20×2
config portb=output
Config Lcdpin = Pin , Db4 = Portc.4 , Db5 = Portc.5 , Db6 = Portc.6 , Db7 = Portc.7 , E = Portd.6 , Rs = Portd.7
Config Lcd = 20* 2
‘konfigurasi ADC
Config Adc = Single , Prescaler = Auto , Reference = Avcc   ‘configurasi ADC
Start Adc

Dim W As Word
Dim X As Word
Dim Perc As Word
Dim Volt As Word , Volt_d As Byte
Dim Channel As Byte , I As Byte , Cols As Byte , Cols_d As Byte

Cls                                                         ‘bersihkan layar lcd
Cursor Off                                                  ‘cursor mati

Locate 1 , 1                                                ‘display welcome message
Lcd “ALARM KEBAKARAN”
Locate 2 , 1
Lcd ” Suhu &  Asap”

Wait 1
Cls
Locate 1 , 1                                               
Lcd “By: Mr. Widodo”
Locate 2 , 2
Lcd “Widodo.com”
Wait 2

Do
 Cls
   W = Getadc(0)                                            ‘baca Sensor suhu
    Call Tampil()
   Locate 1 , 2
   Lcd “Ruangan Aman”                                       ‘ Display ruangan aman
     Portb = 0                                              ‘mati semua
 Waitms 300
   End If
  If W > 78 And X <= 600 Then                               ‘jika suhu ruangan panas
     Call Tampil()
  Portb = 0
  Locate 1 , 2
  Lcd “Ruangan Panas”
  Waitms 200                                                ‘ LM 35 di channel 1
End If 

Miliki segera LCD 20×2 karakter ini di sini

Silahkan beli di sini