© 2015 Freescale Semiconductor, Inc. All rights reserved.
KW40 Heart Rate Monitor Using Bluetooth
Low Energy
User's Guide
1. Introduction
This document explains the features and usage of the
Bluetooth
®
Low Energy (BLE) Heart Rate Monitor
reference design which uses the KW40Z device. It does
not contain software or hardware descriptions. See the
Reference Manual (document
) or
) for
software and hardware descriptions.
1.1. Audience
The manual is intended for any person interested in
understanding the functionality of the BLE Heart Rate
Monitor reference design.
Freescale Semiconductor, Inc.
Document Number: KW40HRMUG
User's Guide
Rev. 0 , 10/2015
Contents
Introduction .................................................................... 1
Audience .............................................................. 1
Overview of reference design .......................................... 2
Get to know the BLE Heart Rate Monitor .............. 2
Unboxing ........................................................................ 3
Functional description ..................................................... 4
Battery Retention State ......................................... 4
Advertising State .................................................. 4
Connection with a smartphone .............................. 5
Operation ............................................................. 6
Disconnecting from the application ....................... 7
Charging the battery ............................................. 7
User Interface Description ............................................... 8
Red LED .............................................................. 8
Green LED ........................................................... 8
Application Button ............................................... 8
Loading firmware ........................................................... 8
Prerequisites ......................................................... 9
Download process ................................................ 9
Revision history ............................................................ 10