<p>1.1602 I2C 1602 replaced the screen to control it more convenient,</p> <p>2.New RFID module and RFID keychain and white card,</p> <p>3. Added DS1302 clock module,</p> <p>4. New of the sound detection module,</p> <p>5.New temperature and humidity module,</p> <p>6. New water level detection module,</p> <p>7. Added 4 * 4 keypad module</p> <p>8. New of 8 * 8 dot matrix module</p> <p>Colour:Photo Color</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x for Board</p> <p>1 x USB Cable</p> <p>1 x Jump Cable</p> <p>1 x Breadboard</p> <p>5 x LED Light</p> <p>1 Pack x Resistor</p> <p>1 x Female to male dupond line</p> <p>1 x Potentiometer</p> <p>1 x Buzzer</p> <p>1 x 74HC595</p> <p>1 x Infrared receiver</p> <p>1 x LM35</p> <p>1 x Flame Sensor</p> <p>1 x Ball Switch</p> <p>1 x Photoresistor</p> <p>1 x Key button</p> <p>1 x Remote control</p> <p>1 x 4-digit display tube</p> <p>1 x 8 x 8 Dot matrix module</p> <p>1 x 1-digit display tube</p> <p>1 x Stepper motor driver board</p> <p>1 x Stepper motor</p> <p>1 x 9g Servo</p> <p>1 x IIC 1602 LCD</p> <p>1 x XY joystick module</p> <p>1 x Temperature module</p> <p>1 x Water test module</p> <p>1 x RFID Module</p> <p>1 x RFID keychain</p> <p>1 x RFID White card</p> <p>1 x Sound Module</p> <p>1 x Relay Module</p> <p>1 x Clock Module</p> <p>1 x 4 x 4 Key board</p> <p>1 x RGB 3 color module</p> <p>1 x 9V battery Snap</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>