
2
Getting started
To use the
, you just need to insert the battery and download the
smartphone.
2.1
Battery
The
is powered through a CR2032 coin cell battery.
Insert the battery into the holder placed at the board bottom.
Important:
Use CR2032 lithium 3 V batteries only. Insert the battery with the positive (+) terminal facing out.
Caution:
Risk of fire or explosion if the battery is replaced by an incorrect type or if the battery polarity is inverted. Use
only IEC 62133 certified CR2032 batteries.
Figure 4.
STEVAL-BLUEPIRV1 battery insertion
2.2
Indication LEDs
There are two indication LEDs available on the board. The orange LED indicates the movement whereas the blue
LED indicates the connection over Bluetooth
®
Low Energy.
The orange LED lights up right after the battery is inserted. It takes around 10 seconds to stabilize the analog
circuitry and perform the proper movement indication. The orange LED is switched off shortly after the movement
stops.
The blue LED periodically blinks only when the Bluetooth
®
Low Energy connection is set up.
UM3001
Getting started
UM3001
-
Rev 1
page 3/17