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Equipped with3 colourmembranekeypad buttons. Simple input device to control projects such as those based on Arduino or STM32.
Keyboard leads are made in the form of a 90mm long tape ended with a 4-pin female connector. To connect the keyboard with the main module we can use connecting cables or pin connectors.
On the back of the keyboard there is a self-adhesive tape, which allows for trouble-free installation of the keyboard on any surface.
Distribution of keyboard outputsThe graphic below shows the layout of the device outputs. The first path is responsible for supplying power to the whole keyboard, the remaining leads correspond to the next keyboard buttons, starting from green and ending with red.