Input/Output (Keypad / Buzzer) Expansion interface board for Nextion TFT Display


The first expansion board for Nextion Enhanced HMI displays. Enhanced and higher version Nextion displays support 8 GPIO, thus we can use this expansion board to control Nextion. The board has 6 buttons, which include Esc, Enter, Left, Right, UP, Down. Also, indicating buzzer and LEDs are included
Note: this expansion board can only work with Nextion Enhanced Display, not for basic Nextion Display

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