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XD194124 Arduino Uno R3 LCD Keypad Shield Arduino Module Expansion Board


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Main Features:
Arduino uno R3 is open source controller developed in 2012
The uno R3 differs from Uno in that it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter
2.6 inch LCD keypad shield expansion board can adjust contrast with backlight
Uses one analog port can input 5 keys and 1 reset button, making full use of IO port
Occupied digital PIN4 (DB4), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (E), 10 (backlight) ports
Function of analog button port: add two I2C pins (SDA / SCL, copy of analog pin4 and pin5) next to AREF
Adds two pins next to Reset, one is IOREL, the other is occupying pin
Reset button moved to closing to USB port
ATmega16U2 replaced 8U2, only serves for USB port chip, can let UNO analog USB HID, such as MIDI/joystick/ keyboard in theory
Suitable for learning Arduino
English Manual/Spec Can know user manual on all Arduino websites around the world
Model XD194124
Material Immersion gold board
Weight and Size
Product Weight 0.119 kg
Package Weight 0.18 kg
Product Size(L x W x H) 10.1 x 5.3 x 1.4 cm / 4.0 x 2.1 x 0.6 inches
Package Size(L x W x H) 14 x 10 x 8 cm
Package Contents
Package Contents 1 x Module, 1 x LCD Board, 1 x USB Cable (60cm)
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