【arduino】求各位大神帮帮忙，关于红外小车的问题

代碼
#include <IRremote.h>
int RECV_PIN = 11;
int PinA = 2;
int PinB = 3;
const int Pin_Up = 752;
const int Pin_Dn = 2800;
const int Pin_Ls = 720;
const int Pin_Rs = 3280;
IRrecv irrecv(RECV_PIN);
decode_results results;
void setup() {
pinMode(PinA, OUTPUT);
pinMode(PinB, OUTPUT);
Serial.begin(9600);
irrecv.enableIRIn(); // Start the receiver
}
void loop() {
if (irrecv.decode(&results)) {
Serial.println(results.value);
if (results.value == Pin_Up) {
digitalWrite(PinA, HIGH);
digitalWrite(PinB, HIGH);
}
if (results.value == Pin_Ls) {
digitalWrite(PinA, LOW);
digitalWrite(PinB, HIGH);
}
if (results.value == Pin_Dn) {
digitalWrite(PinA, LOW);
digitalWrite(PinB, LOW);
}
if (results.value == Pin_Rs) {
digitalWrite(PinA, HIGH);
digitalWrite(PinB, LOW);
}
irrecv.resume();
}
}