Datasheet

Standard AT
The following standard Hayes/AT commands are available on Bluefruit LE modules:
AT
Acts as a ping to check if we are in command mode. If we are in command mode, we should receive the 'OK' response.
Codebase Revision: 0.3.0
Parameters: None
Output: None
AT
OK
ATI
Displays basic information about the Bluefruit module.
Codebase Revision: 0.3.0
Parameters: None
Output: Displays the following values:
Board Name
Microcontroller/Radio SoC Name
Unique Serial Number
Core Bluefruit Codebase Revision
Project Firmware Revision
Firmware Build Date
Softdevice, Softdevice Version, Bootloader Version (0.5.0+)
ATI
BLEFRIEND
nRF51822 QFAAG00
FB462DF92A2C8656
0.5.0
0.5.0
Feb 24 2015
S110 7.1.0, 0.0
OK
Updates:
Version 0.4.7+ of the firmware adds the chip revision after the chip name if it can be detected (ex. 'nRF51822 QFAAG00').
Version 0.5.0+ of the firmware adds a new 7th record containing the softdevice, softdevice version and bootloader version (ex. 'S110 7.1.0,
0.0').
ATZ
Performs a system reset.
Codebase Revision: 0.3.0
Parameters: None
Output: None
ATZ
OK
ATE
© Adafruit Industries
https://learn.adafruit.com/introducing-the-adafruit-bluefruit-le-uart-
friend
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