Keyestudio Keypad Shield
Description : 28 Jul, 2023
Project ideas have changed and this is no longer required.
From online: Keyestudio LCD1602 expansion shield integrates 1602 LCD display and six buttons into one piece, which is patible with keyestudio UNO R3 control board. It can work just through stacking expansion board on the keyestudio UNO R3 control board, which is very easy and convenient.
There are two modes munication between the 1602 LCD display and keyestudio 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, in 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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