Lampiran
PROGRAM LENGKAP
//Program transmiter
#include <LiquidCrystal.h>
#include <VirtualWire.h>
#include <String.h>
LiquidCrystal lcd(8, 6, 5,9, 10, 4);
int data=0;
float keruh;
char kirim;
void setup() {
lcd.begin(16, 2);
vw_set_tx_pin(12);
vw_set_ptt_inverted(true); // Required for DR3100
vw_setup(200); // Bits per sec
}
void loop() {
lcd.clear();
data=analogRead(0);
lcd.setCursor(0,0);
lcd.print("kekeruhan air");
lcd.print("air = ");
data=(data-320)/5;
if (data<0){data=0;}
if (data>100){data=100;}
if (data>13000){data=0;}
lcd.print(data);
lcd.print(" %");
if (data>75){kirim=0;}
else {kirim=1;}
vw_send((uint8_t *)kirim, 1);
vw_wait_tx();
delay(100);
}
//program receiver
#include <VirtualWire.h>
const int led_pin = 13;
const int buzzer_pin = 3;
void setup()
{
// delay(1000);
Serial.begin(9600); // Debugging only
Serial.println("setup");
// Initialise the IO and ISR
vw_set_rx_pin(A5);
vw_set_ptt_inverted(true); // Required for DR3100
vw_setup(200); // Bits per sec
vw_rx_start(); // Start the receiver PLL running
pinMode(led_pin, OUTPUT);
pinMode(buzzer_pin, OUTPUT);
}
void loop()
{
uint8_t buf[VW_MAX_MESSAGE_LEN];
uint8_t buflen = VW_MAX_MESSAGE_LEN;
if (vw_get_message(buf, &buflen)) // Non-blocking
{
int i;
{
Serial.print(buf[i], DEC);
}
Serial.println();
}
if
(buf[0]==176){digitalWrite(led_pin,HIGH);digitalWrite(b uzzer_pin,HIGH);}
else
{digitalWrite(led_pin,LOW);digitalWrite(buzzer_pin,LOW)
;}
