Feature:Join the DIY revolution and get your own personal army of electronics with the U NO R3 at the heart and c ommand center of your electronic force. We want to provide you with the tools to learn, create and build your own ideas quickly without spending much cash.Everything in this kit are standard and common, easy to use components. Most components in the kit can be hooked up with a just few wires making it very easy for a beginner to follow and understand. All you have to do is plug it in, upload the code and start having some fun.Packing: Carton packagingPackage includes:1 x Generic A rduino-Compatible U NO R3 + USB Cable (Tested and Working with A rduino IDE!)1 x Prototyping Shield + Small Solderless Breadboard (Goes on top of shield)1 x DS3231 I2C Real Time Clock (Battery Included)1 x DHT11 Temperature and Humidity Sensor1 x HC-SR501 Motion Sensor1 x Sound Sensor (Sound Detection Module and Mic)1 x HC-SR04 Ultrasonic Range Sensor1 x RC522 RFID Card System1 x PS2 Joystick Controller1 x 5V 1-Channel Relay1 x TV Remote Control Kit1 x Infrared Receiver1 x Flame Sensor (Infrared Photo Transistor)1 x MQ3 Alcohol Sensor Module1 x MQ9 Gas Sensor Module1 x GY68 BMP Pressure Sensor1 x Hall Effect Sensor1 x GY61 Accelerometer1 x GY521 3-A xis G yro1 x GY273 HMC5883L Magnetic Field Sensor & Compass1 x Rain + Snow Level Sensor1 x ESP8266 Wifi Transceiver 802.11 bgn1 x LM1117 3.3V Regulator1 x HC-05 bluetooth Module1 x 1-Key Capacitive Touch Sensor1 x Soil Moisture Sensor and Hygrometer (PCB module Included)1 x ISD820 Voice Recording and Playback Module1 x 4x4 Button Matrix1 x Ball/Tilt Angle Switch1 x 5V DC Stepper Motor + ULN2003 Driver Board (Easy Plug and Go)1 x 5V DC Toy Hobby Motor1 x 9g Tower Pro Servo + Servo Arms and Skrews1 x 1602 LCD Display w/ Blue Backlight HD447801 x One Digit Digital LED Display1 x Four Digit Digital LED Display w/ I2C (Easy to Use)1 x MAX7219 8x8 Red LED Dot Matrix (Easy to Use)1 x 3.3V 650nm Red Laser Diode1 x Piezo Buzzer5 x Small Tactile Push Button2 x Slider On-Off Switch2 x Large Blue Tactile Button1 x 9V Battery Connector and Jack1 x 720-Point Large Solder-less Breadboard65 x Male-Male Breadboard Jumper Wires40 x Male-Female 20CM Jumper Wires1 x 40-Pin 2.54MM Male Angled Header1 x 40-Pin 2.54MM Male Straight Header5 x 5mm Bright White LED5 x 5mm Bright Red LED5 x 5mm Bright Green LED5 x 5mm Bright Blue LED5 x 5mm Bright Yellow LED5 x Signal Red LED5 x Signal Yellow LED5 x Signal Green LED5 x 5MM RGB (red blue green) LED25 x 220 Ohm Carbon Film 5% Resistor10 x 1k Ohm Carbon Film 5% Resistor10 x 10k Ohm Carbon Film 5% Resistor2 x 1k Large Rotary Potentiometer2 x 10k Large Rotary Potentiometer5 x Photoresistor1 x 74HC595 Shift Register1 x 2N3904 NPN Small Transistor1 x TIP122 Power Transistor1 x MOSFET Transistor
If your product arrives damaged or is not working, you can return it to us within 3 days after delivery or 30 days after shipment in case the delivery date is not traceable.If the item is still within the validity period of this warranty:We will reimburse you for the return shipping fees after the defective item has arrived in our warehouse. Any further costs incurred during the return process will be at the customer's expense.If the item is outside the validity period of this warranty:The customer shall be held responsible for all the shipping fees and charges when returning the defective product.Return a DOA (dead on arrival) item If the item arrived broken, please contact us within 3 days from the delivery date and follow the procedure for the 3 Days Product Guarantee.If the item has a high value, we may ask you to return it. Please include all of its accessories, like cables, chargers, batteries, in the returned parcel. If an accessory or component is missing, we will ask you to pay for it. All the return shipping fees will be covered by us.