User manual
IDUINO for Maker’s life 
www.openplatform.cc 
Easy Active Buzzer Sound Module (SE047) 
1.Introduction 
 This module can make sounds by your HIGH signal , different high or low signal 
frequency generate beautiful sounds. And, this module has integrated 3-pin terminal, 
which can be simply and tidily connected with Arduino sensor expansion board, like 
the following picture: 


