X9C103S Mạch Biến Trở Số 10 KOhm Cho Arduino

#define UD 2 // OUTPUT

#define INC 3

#define CS 4

void up(){

digitalWrite(UD, HIGH);

digitalWrite(INC, HIGH);

digitalWrite(CS, LOW); // turn on the microcircuit

delayMicroseconds(1);

digitalWrite(INC, LOW);

delayMicroseconds(1);

digitalWrite(INC, HIGH);

delayMicroseconds(1);

///digitalWrite(INC, LOW); // in this case the position of the slider is not written

digitalWrite(CS, HIGH); // turn off the chip and write the position in the EEPROM

}

void down()

{

digitalWrite(UD, LOW);

digitalWrite(INC, HIGH);

digitalWrite(CS, LOW);

delayMicroseconds(1);

digitalWrite(INC, LOW);

delayMicroseconds(1);

digitalWrite(INC, HIGH);

delayMicroseconds(1);

digitalWrite(CS, HIGH);

}

void setup() {

Serial.begin(9600);

pinMode(INC, OUTPUT);

pinMode(UD, OUTPUT);

pinMode(CS, OUTPUT);

digitalWrite(CS, HIGH); // turn off the microcircuit

}

void loop() {

if (Serial.available())

if (Serial.read() == '0'){

down();

Serial.print("-1");

}

else {

up();

Serial.print("+1");

}

}

}