• SUITABLE FOR TUBITAK 4006 SCIENCE FAIR and SCHOOL PROJECTS. Content: Arduino Uno CH340 1 USB Cable 1 HC-SR04 Ultrasonic Distance Sensor 1 170 Pin Mini Breadboard 1 Jumper Cable Female to Female 20 cm 10 Jumper Cable Male to Male 20 cm 10 5 mm Yellow Led 5 5 mm Red Led 5 5 mm Blue Led 5 mm Green Led 5 Buzzer 1 4 Pin Push Button 5 Capacitor 3 7 Segment Display 4 Mini On-Off Switch 1 10 cm Mounting Cable 2 100K Ohm Resistor 10 330 Ohm Resistor 10 220 Ohm Resistor 10 1K Ohm Resistor 10