Light control--motion sensor,photosensor *when light level change,it will play sound *Suit for advertisement application ect

Light sensitive sound module play audio file in SD card when sensor trigger by person pass by  .  Sound module , voice module,musical module ,  for advertisement .

1. DC 5V power

2.Light sensor tirgger, when the light level change (for example someone pass by before the sensor) , it will trigger and play one time the file in the SD card

3. Easy to update the audio file in the SD card by normal SD card  reader

4. Drive 0.5W speaker 

5.Existing program play one file only  , play one file and stop  .  we can modity the program and make it trigger next file each time  for different sound  .

Suitable for advertisement application  .

light sensitive sound module