OpenELAB LCD1602 expansion shield integrates a 1602 LCD display and six buttons into one piece, which is fully compatible with UNO R3 control board. It can work just through stacking expansion board on the key studio UNO R3 control board, which is very easy and convenient.
There are two modes of communication between the 1602 LCD display and OpenELAB UNO R3 control board, which are the 8-bit connection method and the four-bit connection method. The expansion board belongs to the four-bit connection method by default.
There are six buttons on the expansion board, which for five control buttons and a reset button. Five control buttons are connected to analog port A0, and when press the different buttons, analog port A0 will output different simulation values. The expansion board has a potentiometer that can be used to adjust the backlight of the display.
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LCD size: 20.5mm * 41mm
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Display capacity: 16*2 character
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White texts on blue background
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Comes with a potentiometer to adjust the backlight
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Chip working voltage: 4.5-5.5V
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Working current: 2.0 mA (5.0V)
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Optimum working voltage: 5.0V
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Character size: 2.95*4.35 (W*H) mm
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Dimensions: 80mm *58mm*22mm
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Weight: 51.5g