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HARDWARE SORFWARE const int relay= 8 ; const int Ainput=A0; int ldrValue = 0 ; int range = 0 ; void setup () { pinMode (relay,OUTPUT); digitalWrite (relay,HIGH); // My Relay is an active LOW Relay. Serial. begin ( 9600 ); } void loop () { ldrValue = analogRead (Ainput); range = map (ldrValue, 0 , 1023 , 0 , 255 ); Serial. println (range); if (range> 125 ) digitalWrite (relay,LOW); else digitalWrite (relay,HIGH); }

HARDWARE SORFWARE # define LED_PIN1 2 // # define LED_PIN2 3 # define LED_PIN3 4 # define LED_PIN4 5 # define LED_PIN5 6 # define LED_PIN6 7 # define LED_PIN7 8 # define LED_PIN8 9 int inByte1 = 0 ; // incoming serial byte int inByte2 = 0 ; byte bit0 = B00000001; // 1 byte bit1 = B00000010; // 2 byte bit2 = B00000100; // 4 byte bit3 = B00001000; // 8 byte bit4 = B00010000; // 16 byte bit5 = B00100000; // 32 byte bit6 = B01000000; // 64 byte bit7 = B10000000; // 128 byte bitDelay = 100 ; boolean status_unlock; boolean status_bluetooth; long interval = 100 ; // interval at which to blink (milliseconds) long previousMillis = 0 ; // will store last time LED was updat int minite,sec; void setup () { // start serial port at 9600 bps: Serial. begin ( 9600 ); pinMode (LED_PIN1, OUTPUT); pinMode (LED_PIN2, OUTPUT); pinMode (LED_PIN3, OU...