Home automation

Jumper wires (generic)

ball switch sensor

Arduino UNO

Arduino IDE

5 mm LED: Green

5 mm LED: Yellow

LED (generic)

USB-A to Mini-USB Cable

Breadboard (generic)

<pre ><code >int led1 =5; int led2 = 6; int led3 = 7; int sensor = 3; int val; void setup() { pinMode(led1,OUTPUT); pinMode(led2,OUTPUT); pinMode(led3,OUTPUT); } void loop() { val=digitalRead(sensor); if(val==HIGH) { digitalWrite(led1,HIGH); digitalWrite(led2,HIGH); digitalWrite(led3,HIGH); } else { digitalWrite(led1,LOW); digitalWrite(led2,LOW); digitalWrite(led3,LOW); } } </code></pre>

diagram for code

Home automation

Magical coder's brain