Module Buzzer Pasif Passive Low Level Triger Modul For DIY

Harga 1 Pcs The characteristics of the passive buzzer is: 1 passive internal without shock source, so if use dc signal can #39;t make it.Must use 2 k ~ 5 k square wave to drive it For more than 2 sound frequency control, can make #34;m hair sola west #34; effect. 3 in some particular case, can reuse and LED a control The characteristics of the active buzzer is: 1 Active buzzer inside with shock source, so as long as the electricity will call 2 Program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can #39;t do. Each weight is about 6 g Module description 1 module driven by 9012 triode 2 working voltage of 3.3 V to 5 V 3 sets of fixed bolt hole, convenient installation 4 small board PCB size: 3.3 cm X 1.3 cm Module interface specification (3 wire system) VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller) GND external GND I/O external microcontroller IO port