1、COMPLETE ACCESSORIES: Development board starter kit include a complete for R3 starter kit to meet the learning needs of both beginners and professionals 2、EASY TO OPERATE: The development board complete starter kit is simple to operate and help users quickly master programming skills for R3, suitable for software engineers 3、STABLE AND RELIABLE: The development board kit has reliable quality and high stability, which is suitable for various projects and application scenarios 4、MULTIPLE MODULES: The development board beginner kit include a wide range of sensors and modules that will allow users to experiment and be innovative 5、FUNCTIONS AND USES: Complete accessories programming development board kit, so that users can easily build a variety of electronic prototypes, display people project results Item Type: Development Board Starter Kit Material: ABS plastic Remote Controller Battery: Battery Type: 1 x 3V CR1220 button battery Battery Capacity: 40mAh Battery Buckle Battery(not included): Battery Type: 1 x 9V 6F22 type 1 x for R3 Mainboard 1 x CD 1 x Main Board Expansion Board 1 x Small Breadboard 1 x Temperature and Humidity Module 1 x Motor 1 x Water Level Detection Module 1 x Ultrasonic Sensor Module 1 x Servo Motor 1 x Servo Plastic Barrier 3 x Servo Screw 1 x Stepper Motor 1 x Stepper Motor Driver Board 1 x 1602 LCD Display Screen 1 x Sound Sensor Module 1 x Fan Blade 1 x Power Module 10 x 220Ω Resistor 10 x 330Ω Resistor 10 x 2K Resistor 10 x 5.1K Resistor 10 x 1M Resistor 10 x 100Ω Resistor 10 x 1K Resistor 10 x 10K Resistance 10 x 100K Resistance 10 x 10Ω Resistance 10 x Male To Female Jump Wire 1 x Film Key 1 x Battery Buckle 1 x Infrared Receiving Module 1 x Rocking Bar 1 x USB Cable 1 x Breadboard 1 x Remote Control 65 x Bread Line 1 x 1 Digit Digital Tube 1 x 4 Digit Digital Tube 1 x Relay 1 x Potentiometer 1 x Gasket 1 x Nut 1 x Passive Buzzer 1 x Active Buzzer 1 x Tilt Switch 5 x Key 2 x Triode 2 x Diode 1 x Thermistor 2 x Photoresistor 1 x RGB LED 5 x Red LED 5 x Yellow LED 5 x Green LED 5 x Blue LED 5 x White LED 1 x SN74HC595N 1 x L293D 1 x Plastic Box