This is a Ultimate Starter Leaning Kit for Arduino and it is a more comprehensive kit than our other Arduino Kits for Arduino, this kit contains more than 50 kinds of different electronic components, more than 180 components are included. With this kit, we will take you from knowing to utilizing, you will be able to do more experiment, get your more idea into real action without the restriction of hardware and software, and we have carefully prepared a guidebook(PDF Version) and supporting experimental code routine for you, including a total of 37 experiments. Package List: 1x UNO Board 1x CD 1x ADXL345 Acceleration Sensor 1x Ultrasonic Distance Sensor 1x IR Receiver HX1838 1x Remote Controller 1x PS2 Joystick Module 1x Relay 1x Stepper Motor 1x ULN2003 Stepper Motor Driver Module 1x DHT-11 Temperature & Humidity Sensor 1x LED Bar Graph 1x Active Buzzer 1x Passive Buzzer 1x PIR Movement Sensor 1x Servo 2x Analog Temperature Sensor(Thermistor) 1x Breadboard Power Supply Module 1x 4*4 Matrix Keyboard 1x DC Motor 1x L9110 DC Motor Driver 1x LCD1602 1x Dot-matrix Display 1x 7-segment Display 1x 4-bit 7-segment Display 1x NE555 Timer 2x 74HC595 2x Light Sensor (Photoresistor) 2x Tilt Switch 2x Switch 1x RGB LED 8x Red LED 4x Green LED 4x Yellow LED 4x Blue LED 16x Resistor(220O) 10x Resistor(1kO) 10x Resistor(10kO) 2x Potentiometer(10KO) 5x Capacitor(104) 4x Capacitor(10uF) 4x Button(large) 8x Button(small) 1x Button Cap(red) 1x Button Cap(white) 2x Button Cap(blue) 2x NPN Transistor(8050) 2x PNP Transistor(8550) 2x 1N4148 Diode 2x 1N4001 Diode 1x Battery Holder 1x Breadboard 1x USB Cable 40x Male to Male Jumper Wires 20x Male to Female Jumper Wires 1x Header(40pin) 1x Band Resistor Card 1x Project Box