Datasheet

\n - Line Feed

\b - Backspace

\t - Tab

\\ - Backslash

As of version 0.6.7 you can also use the following escape code when sending a single character ('AT+BLEKEYBOARD=?' has another meaning

for the AT parser):

\? - Question mark

Codebase Revision: 0.5.0

Parameters: The text string (optionally including escape characters) to transmit

Output: None

# Send a URI with a new line ending to execute in Chrome, etc.

AT+BLEKEYBOARD=http://www.adafruit.com\r\n

# Send a single question mark (special use case, 0.6.7+)

AT+BLEKEYBOARD=\?

AT+BLEKEYBOARDCODE

Sends a raw hex sequence of USB HID keycodes to the BLE keyboard interface including key modifiers and up to six alpha-numeric characters.

This command accepts the following ascii-encoded HEX payload, matching the way HID over GATT sends keyboard data:

Byte 0: Modifier

Byte 1: Reserved (should always be 00)

Bytes 2..7: Hexadecimal values for ASCII-encoded characters (if no character is used you can enter '00' or leave trailing characters empty)

After a keycode sequence is sent with the AT+BLEKEYBOARDCODE command, you must send a second AT+BLEKEYBOARDCODE

command with at least two 00 characters to indicate the keys were released!

Modifier Values

The modifier byte can have one or more of the following bits set:

Bit 0 (0x01): Left Control

Bit 1 (0x02): Left Shift

Bit 2 (0x04): Left Alt

Bit 3 (0x08): Left Window

Bit 4 (0x10): Right Control

Bit 5 (0x20): Right Shift

Bit 6 (0x40): Right Alt

Bit 7 (0x80): Right Window

Codebase Revision: 0.5.0

Parameters: A set of hexadecimal values separated by a hyphen ('-'). Note that these are HID scan code values, not standard ASCII values!

Output: None

HID key code values don't correspond to ASCII key codes! For example, 'a' has an HID keycode value of '04', and there is no keycode for an upper

case 'A' since you use the modifier to set upper case values. For details, google 'usb hid keyboard scan codes', and see the example below.

A list of HID keyboard codes can be found here (http://adafru.it/cQV) (see section 7).

# send 'abc' with shift key --> 'ABC'

AT+BLEKEYBOARDCODE=02-00-04-05-06-00-00

# Indicate that the keys were released (mandatory!)

AT+BLEKEYBOARDCODE=00-00

AT+BLEHIDEN

This command will enable GATT over HID (GoH) support, which allows you to emulate a keyboard, mouse or media controll on supported iOS,

https://learn.adafruit.com/introducing-the-adafruit-bluefruit-le-uart-

friend

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