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2
Getting started
The
STEVAL-IDB005V1
MS_SensorDemo.hex) which allows to set and establish a connection with a smartphone (iOS 7 or Android 4.3)
running a BlueNRG sensor application which works with the sensor profile firmware running on the STEVAL-
IDB005V1 evaluation board.
The sensor profile firmware implements a proprietary Bluetooth profile which exposes two services: acceleration
and environmental service.
The acceleration service contains the following characteristics:
•
Acceleration: it gives the current value of the acceleration detected by the
STEVAL-IDB005V1 board.
•
Free fall characteristic: it allows detection of free-fall condition by the LIS3DH MEMS sensor on the STEVAL-
IDB005V1 board (the condition is detected if the acceleration on the 3 axes is near zero for a certain amount
of time).
The environmental service contains characteristics that expose data from some environmental sensors, such as
temperature sensors.
Note:
Pressure and humidity characteristics are also defined to potentially support pressure and humidity
environmental sensors. These sensors can been added through an expansion board connected to the STEVAL-
IDB005V1 expansion connector J1
STEVAL-IDB005V1 Bluetooth low energy evaluation board). The expansion board is not included with the
STEVAL-IDB005V1.
For more information about the STEVAL-IDB005V1 components, refer to BlueNRG-MS development kits user
manual (UM1870) available on STEVAL-IDB005V1 web page.
2.1
Powering up STEVAL-IDB005V1 evaluation board running the sensor profile
firmware (peripheral role)
Two power options are available:
•
Batteries - To power the STEVAL-IDB005V1 evaluation board using batteries, 2 AAA batteries must be
inserted into the battery holder at the rear of the board, and jumper JP1 set to position 2-3
(Figure 2. STEVAL-IDB005V1 power options
•
USB - To power the STEVAL-IDB005V1 evaluation board through USB, jumper JP1 must be in position 1-2
(Figure 2. STEVAL-IDB005V1 power options
to the mini-USB connector
(A)) and to a PC USB port.
Once powered, the STEVAL-IDB005V1 sensor profile firmware will start advertising, waiting for a smartphone to
connect to it.
UM1887 - Rev 3
evaluation board is preprogrammed with sensor profile firmware (BlueNRG-
(Figure 1. STEVAL-IDB005V1 Bluetooth
STEVAL-IDB005V1 power options (B)).
STEVAL-IDB005V1 power options (B)). Connect a USB cable
(Figure 2. STEVAL-IDB005V1 power options
Figure 2.
STEVAL-IDB005V1 power options
UM1887
Getting started
LIS3DH
MEMS sensor on the
®
low energy evaluation board
STEVAL-IDB005V1 power options
page 3/12
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