Gyro Sensor: https://www.youtube.com/watch?v=mky8sVmpKzg
Color Sensor: https://www.youtube.com/watch?v=aJToMY-3Mq4
Ultrasonic Sensor: https://www.youtube.com/watch?v=B49J93rSsTg
Touch Sensor: https://www.youtube.com/watch?v=F2zGJP6KC00
Motors: https://www.youtube.com/watch?v=vv5X3zzkBk4
You can also check out these awesome tutorials from http://ev3lessons.com/en/Lessons.html?tab=beginner!