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Weight:0.65kg.
Component listing:
5pcs White 5pcs Yellow
5pcs Blue
5pcs Green
5pcs Red
1pcs RGB
2pcs Photoresistor
1pcs Thermistor
2pcs Diode Rectifier (1N4007)
2pcs NPN Transistor (PN2222)
1pcs Tilt Switch
5pcs Button (small)
1pcs 1 digit 7-segment Display
1pcs 4 digit 7-segment Display
1pcs Sound Module
1pcs LCD1602 Module ( with pin header)
1pcs IC L293D
1pcs IC 74HC595
1pcs Active Buzzer
1pcs Passive Buzzer
1pcs DHT11 Temperature and Humidity Module
1pcs Potentiometer
1pcs Joystick Module
1pcs Membrance Switch Module
1pcs 5V Relay
1pcs IR Receiver Module
1pcs The R3 Controller Board
1pcs 830 Point Breadboard
1pcs Servo Motor (SG90)
1pcs Stepper Motor
1pcs ULN2003 Stepper Motor Driver Board
1pcs Prototype Expansion
1pcs Power Supply Module
1pcs Ultrasonic
1pcs 3V Servo Motor(Soldered Wire)
1pcs Fan Blade
1pcs Remote
1pcs 65 Jumper Wire
1pcs Water Lever
1pcs USB Cable
1pcs 9V Battery Connector with DC
10pcs Resistor (10R)
10pcs Resistor (100R)
10pcs Resistor (220R)
10pcs Resistor (330R)
10pcs Resistor (1K)
10pcs Resistor (2K)
10pcs Resistor (5K1)
10pcs Resistor (10K)
10pcs Resistor (100K)
10pcs Resistor (1M)
10pcs Female-to-Dupont Wire
1pcs Resistance Identification Card
1pcs Card with Totutial

Perfect choice for beginners to learn, electronics and program.
This kit with tutorial user manual containing more than 20 lessons,,Libraries, datasheets, and so on.
100% with program.
Inlcude motors and LCDs with servo motor, stepper motor and DC Motor; LCD 1602, LCD 4-bit 7-segment Display etc.
LCD 1602 module with pin header (not need to be soldered by yourself)