Arduino is a simple I/O platform based on open source code， and with processing or wiring developing environment that similar to Java and C-language. This starter kit come with one Bluetooth module for wirelss transmission purpose

Main Features:
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 6
DC Current per I/O Pin: 40mA
DC Current for 3.3V Pin: 50mA
Flash Memory: 32KB of which 0.5KB used by bootloader
SRAM: 8KB
EEPROM: 4KB
Clock Speed: 16MHz
Great for DIY projects， such as Arduino learning board / development board

Packing List:
1 x UNO R3 main board
1 x Expansion board
1 x Bread board
5 x LED red lights
5 x LED yellow lights
5 x LED blue light
10 x Resistors (10K)
10 x Resistors (1K)
10 x Resistors (220R)
1 x 74HC595
1 x Active buzzer
1 x Passive buzzer
1 x 1-digit tube
1 x 4-digit tube
10 x Big buttons
3 x Photoresistors
1 x Adjustable resistot
1 x RFID module
1 x Keyring of RFID
1 x White card of RFID
1 x Temperature module
4 x 4-button modules
10 x DuPont cables (30cm)
1 x LM35 temperature sensor
1 x IR receiver
1 x Flame sensor
2 x Roll switches
1 x Remote control (1 x CR2025)
1 x 1602
1 x PS2 analog
1 x Stepper motor
1 x Stepper motor driving board
1 x 9g Steering gear
1 x RGB module
1 x Relay module
30 x Bread cables
10 x DuPont cables (30cm)
1 x 2.54 pin header
1 x USB cable (50cm)
1 x Battery case (6 x AA)
1 x Clock module
1 x Sound checking module
1 x Water level checking module
1 x Matrix module (8 x 8)
1 x 4-CH relay module
1 x Bluetooth module