hello~ please check my code.
I want action if IR_sensor sense, then LED on, and if switch pressed, then LED off.
but when IR_sensor senses, simultaneously switch signal on. i don't know why?
int IR = 13;
int LED = 9;
int swi_val = 0;
int swi = 7;
int LEDOnOff = 0;
void setup() {
pinMode(IR, INPUT); // IR
pinMode(LED, OUTPUT); // LED
Serial.begin(9600); // serial
pinMode(swi, INPUT);
}
void loop() {
if (digitalRead(IR) == LOW) { // if IR_sensor sensing
Serial.println("IR_SENSING");
digitalWrite(LED, HIGH); //LED on
LEDOnOff = 1;
delay(200);
}
while(LEDOnOff == 1){
swi_val = digitalRead(swi);
Serial.print(" swi_val = ") ;
Serial.println(swi_val) ;
if (digitalRead(swi) == 1){ // if switch pressed
digitalWrite(LED, LOW); //LED off
LEDOnOff = 0;
delay(200);
}
}
}