Feature: 1. Suitable for Raspberry Pi 3A+ / 2B / 1B+ / 1A+ / Zero W / Zero 2. Including complete components, which can meet the various needs of beginners 3. Excellent material and stable performance, able to achieve more functions and experiments 4. Adopted of high quality electronic components, and accuracy process, ensure for the durability 5. The different LED can make sure the stable transmission of the signal and easy to operate Specification: Item Type: Ultrasonic Starter Kit Material: Plastic Model: For Raspberry Pi 3B+ 3 Programming Languages: C, for Python (compatible with 2&3) and for Java (virtual interface). Compatible: For Raspberry Pi 3A+ / 2B / 1B+ / 1A+ / Zero W / Zero. Package List: 4 x Red LED4 x Green LED4 x Blue LED1 x Red LED1 x LED Bar Graph1 x 7 segment Display Bar1 x LED Rectangular Board40 x Resistor3 x Potentiometer2 x 0.1uf Capacitor2 x 10uf Capacitor4 x Button2 x in4001 Diode4 x NPN Transistor1 x 9V Battery Cable1 x Breadboard Power Module1 x L293D2 x 74HC5951 x PCF85911 x Active Buzzer1 x Passive Buzzer1 x Thermistor1 x Photoresistor1 x Relay1 x Motor1 x Servo Motor1 x Stepper Motor1 x Stepper Motor Driver1 x Joystick1 x Ultrasonic Ranging Module1 x 12C LCD 16021 x GPIO Expansion Board1 x Breadboard67 x Breadboard Line1 x 10fm Jumper1 x 40 Pin GpIo Cable1 x Resistance Color Card1 x Toolbox Partition Board