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  • 11/07/2020

    First of all I'll start off by saying that these keypads are small. I've included images to show how small they are. The keycaps add a little more bulk but not a lot. If you were expecting to use these as a macro keyboard or similar then you're going to need tiny fingers. It doesn't help that there are no button dimensions, the only ones provided are for the layout in the board underneath. The finger in the image is 29mm wide, the keycap is 11mm wide. If I could find the same sort of board with better, larger keys I'd buy those instead. Functionally they work as expected. 3 pins on an Arduino, simple to code for. I have 4 of these connected giving 64 keys but only using 4 analogue pins.

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  • 07/04/2020

    Nice Keypad, 16 keys will be served by one analog input line only. An additional IRQ signal would be helpful. Might be added in a future improved version perhaps?! I generated it by an opamp (comparator) which goes low if there is an output from the Keypad.

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  • 20/07/2020

    Everything top

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  • 21/05/2020

    Visually delightful - arrived on time

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