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SKU: PPAC0005Part Number: PPAC0005Brand: Proto-PICAccessory Type: Keypads
This low cost keypad can give your next project up to 16 capacitive switches using the TTP229 IC. Using only power, ground, and any 2 GPIO pins as clock and data (they are not i2C) on your micro controller.
We have an example Arduino sketch here:
Datasheet for the capacitive IC can be found here.
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