Product Review

Free Gift
1 x MQ-2 Gas Sensor Module
some Resistor
1x CD

Package included:
1 x Soil module
1 x Infrared sensor receiver module
1 x Laser head sensor module
1 x Temperature and humidity sensor module
1 x Infrared emission sensor module
1 x 5V relay module
1 x Gyro Module
1 x ARDUINO finger detect heartbeat module
1 x Microphone sensitivity sensor module
1 x Metal touch sensor module
1 x Flame sensor module
1 x 3-color LED module
1 x Hunt sensor module
1 x Linear magnetic Hall sensors
1 x Rotary encoder modules
1 x Active buzzer module
1 x Small passive buzzer module
1 x Digital temperature sensor module
1 x Tilt switch module
1 x Analogy Holzer magnetic sensor
1 x Ultrasonic module
1 x Hall magnetic sensor module
1 x RGB LED SMD module
1 x Arduino Mini Reed module
1 x Bicolor LED common cathode module 3MM
1 x Smart car avoid obstacle sensor infrared sensor photoelectric switch
1 x Key switch module
1 x Photoresistor module
1 x Breadboard power module
1 x ARDUINO hit sensor module
1 x Temperature sensor module
1 x Vibration switch module
1 x Microphone sound sensor module
1 x Large reed module
1 x Two-color LED module
1 x Optical breaking module
1 x Temperature sensor module
1 x MP1584EN buck module
1 x SD card reader module
1 x Arduino PS2 Joystick game controller module
1 x Automatically flashing LED module
1 x DS1302 clock module
1 x Water level module