Keypad

The Keypad class constructs an object that represents a single Keypad attached to the board.

Supported Keypads:

Parameters

General Options

Property	Type	Value/Description	Default	Required
controller	string	AT42QT1070, MPR121, MPR121QR2, QTOUCH, VKEY, ANALOG. The Name of the controller to use	ANALOG	Yes
keys	array	Mapping of key values	By Device	No

VKEY Options (controller: "VKEY")

Property Type Value/Description Default Required

pin number, string Analog pin Yes
ANALOG Options (controller: "ANALOG")

Property Type Value/Description Default Required

pin number, string Analog pin Yes

length number Number of keys (required only if keys is not specified) Yes

Property Name	Description	Read Only
`which`	Value of key pressed from `keys` array	No
`timestamp`	Timestamp at time of key press	No

new five.Keypad({
  pin: "A0",
  length: 16
});

new five.Keypad({
  controller: "VKEY",
  pin: "A0",
});

new five.Keypad({
   controller: "MPR121",
   keys: ["!", "@", "#", "$", "%", "^", "&", "-", "+", "_", "=", ":"]
});

new five.Keypad({
   controller: "MPR121QR2"
});

new five.Keypad({
  controller: "QTOUCH", // or "AT42QT1070"
});

The JavaScript Robotics Programming Framework

Property	Type	Value/Description	Default	Required
pin	number, string	Analog pin		Yes
length	number	Number of keys (required only if `keys` is not specified)		Yes