Light control using using Arduino , remote and triac

#include <IRremote.h> int sensor = 2; IRrecv ip(sensor); decode_results results; int zpin = 3; int gPin = 8; bool rState = false; void setup() { Serial.begin(9600); pinMode(gPin, OUTPUT); attachInterrupt(digitalPinToInterrupt(zpin), trig_ISR, FALLING); attachInterrupt(digitalPinToInterrupt(sensor), ir_ISR, LOW); ip.enableIRIn(); pinMode(sensor, INPUT); } void loop() { } void ir_ISR() { rState = !rState; } void trig_ISR() { if (rState == true) { delayMicroseconds(4000); digitalWrite(gPin, LOW); delayMicroseconds(1); digitalWrite(gPin, HIGH); delayMicroseconds(10); digitalWrite(gPin, LOW); } }