Keypad 3x4 Gadgeteer driver
A little driver for the 3x4 keypad sold by GHI that works on a Gadgeteer board.
It has KeyPressed/KeyReleased events and you can choose the socket on which it will connect. Events return the key value (from 1 to 12) and the associated char (from ‘0’ to ‘9’, ‘*’ and ‘#’).
Please note that the keypad is not a Gadgeteer module, so there’s no Drag&Drop in Visual Studio. Also, there’s only a small part of the driver that is related to Gadgeteer, so it’s easy to modify it for non-Gadgeteer boards : you only have to change the pin assignments.
Tested on Cerbuino Bee with 4.2 SDK.