PIR stands for Passive Infrared. This is a motion sensor that senses motion by the changes of heat. There are two presets. One to change the distance of sensitivity and the change the sensitivity of motion.

Arduino is an open-source hardware and software company,project and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices.

This is a Motor driver used to control 4 DC Motors or 2 Servo motors or 2 Stepper motors.You can buy this in Lankatronics,Dehiwala-Mount Lavinia Road.

This is my first Arduino Board. 

Hey,arduino enthusiasts. This is my first Arduino Board.