MicroSound3 PIR Motion Sensor MP3 Player
2
Applications
This motion-activated PIR sound player can be
used in countless applications:
•
Point-of-sale advertising
•
Smart doorbell
•
Entrance door greeter
•
Audio memo reminder
•
Security alarm
•
Small animal deterrent
Technical Parameters
Power Input
3V – 5VDC Regulated
Operating
Current
Standby
<245uA
Playing
<250mA at 4.7V
Audio Format
MP3 encoding
Audio Output
Power
½ watt into 8Ω (typical)
Detection Range < 12 feet (4m), 120° viewing
angle
Operation Guide
Item
Switch State
Function/Indication
Power & Volume
Switch
High
High Volume
Middle
Low Volume
Low
Power Off
Indicator LED
Off
Power Off or Standby
On
Playing
Key A
Short Press
Previous Sound File
Long Press, LED Flashes
Mode Selection
Key B
Short Press
Next Sound File
Long Press, LED Flashes
-
Micro USB Port
-
Connect to computer to manage MP3 files
OR
Wall-wart power supply to power the unit
Micro SD Card Slot
-
NOT USED
Notes:
1.
There is a 15-20 second initialization time after powering on the device. The motion sensor will not trigger during
initialization.
2.
The device includes a 3 second delay after a sound has finished playing before retriggering.
3.
Key A and Key B are valid for Previous or Next file selection while a sound is playing. The keys are invalid during Standby.
4.
The micro-USB port is used for uploading MP3 files to internal flash
OR
for powering the device. Device
cannot
be
powered by a computer’s USB port.
