PIR Motion Activated Sound Player Module
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Adopts a high-quality MP3 decoder chip on the board.
Works with most Windows, Mac, and Linux systems
Uses a separated PIR motion sensor to trigger the player, and the detection distance is up to 4 meters.
Built-in a 4MB flash memory that can store max. 4 minutes long MP3 file based on 128Kbps.
Update the MP3 audio file through the micro USB port on the computer.
Supports one MP3 audio file only in the flash memory.
On-board 1watt amplifier that is able to directly drive a 1W 8ohm speaker.
3.7V to 5V DC power input.
Supports 3.7V/4.2V rechargeable lithium battery as the power supply.
Built-in the recharging circuits on the board, and lithium battery can be recharged through the micro USB port.
The length of all of the lead wires is 100mm by default.
Stable performance and beautiful sound output.
PCB size: 32mm x 22mm
Diameter of Speaker: 40mm
Working voltage: 3.7V to 5V DC
Working current: ≤100mA (Input: 4.5V DC)
Quiescent Current: 350uA
Audio format: MP3
Flash memory size: 4MBytes (32Mbits)
Audio Output Power: 8 Ohm/1W (typical value)
Detection Range: <= 4m (120 degree angle)
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