LCD Keypad shields input/output extended use 2 lines 16 characters LCD panel, with contrast adjustment and backlight, use a simulated input of mouth, completing five buttons, a reset button, the unused IO mouth extend out spare, make full use of I/o port.
Specifications
Display
1602 - character LCD
Length x Width
20.5mm x 41mm
Operating Voltage
4.5V ~ 5.5V
Weight
57g