Brightness Adjustable 1602 LCD Shield IIC I2C MCP23017 5 Keypad For Arduino UNO

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Description:
This new 1602 shield makes it easy to use a 16x2 Character LCD. 1602 LCD do require quite a few digital pins, That's almost half of the pins available on a classic Arduino!
we wanted to make it easier for people to get these LCD into their projects so we devised a shield that lets you control a 16x2 Character LCD, up to 3 backlight pins AND 5 keypad pins using only the two I2C pins on the Arduino! The best part is you don't really lose those two pins either, since you can stick i2c-based sensors, RTCs, etc and have them share the I2C bus. This is a super slick way to add a display without all the wiring hassle.
This shield is perfect for when you want to build a stand-alone project with its own user interface. Five-way button allows basic control without having to attach a bulky computer.
The shield is designed for 'classic' Arduinos such as the Uno, Duemilanove, Diecimilla, etc. It uses the I2C pins at Analog 4 and Analog 5. It will also work perfectly with Arduino Mega R3's which have the extra SDA/SCL I2C pins broken out. Earlier Mega's have the I2C pins in a different location and will require you to solder two wires from the I2C pins on the shield and plug them into the different I2C locations at Digital 20 & 21.
Package included:
1 * Brightness Adjustable 1602 LCD Shiled IIC MCP23017 5 keypad For Arduino UNO R3
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If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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