Feature:  150+ parts and experiment with all the -compatible boards (UNO R3, MEGA 2560, NANO), multiple shields, over 30 sensors, multiple servos and motors, voltage regulators, LCDs, Ethernet Shield, Wi-Fi and Bluetooth devices, camera, radar and many other goodies.  This insane kit has the tools and parts for you start learning home automation and security, connecting sensors via internet, talking to and sensors through wireless communication and many other applications of . Packing: Carton packaging.    Package includes:  1 x UNO R3 Board for + USB Cable (Tested and Working ).  1 x MEGA2560 Board for + USB Cable (Tested and Working ).  1 x NANO V3 Board for + USB Cable (Tested and Working ).  1 x UNO R3 Protoshield + Solderless Breadboard (Goes On Top of Protoshield).  1 x 1602 Blue LCD Keypad Shield.  1 x W5100 Ethernet Shield & SD Card Adapter.  1 x L293D Motor Drive Expansion (Drive Up to 2 Stepper Motors & Servos).  1 x Sensor Shield for.  1 x Soil Moisture Sensor and Hygrometer (PCB and Jumper Wires Included).  1 x 1-Key Touch Sensor.  1 x GY521 3-Axis Gyro.  1 x GY273HMC5883L Magnetic Field Sensor & Compass.  1 x GY68 Pressure Sensor.  1 x GY61 3-Axis Accelerometer. 1 x GY-30 Light Intensity Sensor .  1 x Hall Effect Sensor.  1 x RC522 RFID System.  1 x DS3231 Real Time Precision Clock (Battery Included).  1 x Micro SD Storage Board and Shield SPI.  1 x MQ3 Alcohol Sensor.  1 x MQ9 Combustible Gas Sensor.  1 x IR Flame Sensor.  1 x HC-SR501 Motion Sensor.  1 x Rain + Snow Level Sensor.  1 x USB Charger Doctor.  1 x Infrared Remote Control Kit (Remote + IR Receiver).  1 x ISD1820 Voice Recording and Payback Module + Speaker.  1 x Sound Sensor (Voice Detection/MIC).  1 x HC-SR04 Ultrasonic Sensor.  1 x PS2 Joystick Controller.  1 x DHT11 Temperature and Humidity Sensor.  1 x HB100 Doppler Radar.  1 x IR Line Tracking Sensor.  1 x IR Obstacle Detection Sensor.  1 x Motor Speed Counter/ Coupler Sensor.  1 x Rotary Encoder.  1 x 1602 LCD w/ Blue Backlight HD44780.  1 x 2004 LCD w/ Blue Backlight HD44780.  1 x 4-Digit Display with I2C Clock TM1637 (Easy to Use).  1 x MAX7219 8x8 Matri x Red Dot Display (Easy to Use).  1 x Small Red 1-Digit 7-Segment Display.  1 x Large Red 1-Digit 7-Segment Display (2.3 Inch).  2 x I2C Serial Interface 1602/2004 LCD Module.  1 x OV7670 SCM Camera Module for.  1 x Green 10 Segment LED Bar Graph.  1 x Red 10 Segment LED Bar Graph.  1 x ESP8266 Wifi Transceiver 802.11 bgn.  1 x HC-05 RS232 Bluetooth Module.  2 x NRF24L01 2.4Ghz Wireless Communications Module.  5 x 9x7CM Prototyping Perf Board.  5 x 7x5CM Prototyping Perf Board.  5 x Small Tactile Button.  1 x 4x4 Button Matrix.  5 x Large Tactile Blue Button. 2 x 3-Pin Slider On-Off Switch.  1 x 5V 1A Power Supply.  1 x 5.5x2.1MM Electrical Power Jack.  1 x 16-Channel Servo Controller.  2 x 5V DC Toy Hobby Motor.  2 x SG90 9g Tower Pro Servo + Servo Arms + Screws.  2 x 5V Stepper Motor.  2 x ULN2003 Stepper Motor Driver Board.  3 x EasyDriver Stepper Motor Driver A3967.  1 x 1-Channel 5V Relay.  1 x 4-Channel 5V Relay.  1 x LM1117 5V Step Down Voltage Regulator (15V Max Input).