Description
Weight:6g
PCB size:2.8cm*1.3cm
Active and Passive Buzzer
The characteristics of passive buzzer:
1. Passive internal without vibration source, so if using DC signal, it cannot make it beep
It must be driven by a 2K-5K square wave
2. The sound frequency is controllabel, which can create the effect of "Duolai Mi Fa Sorasi"
In some special cases, a control port can be reused with an LED
The characteristics of active buzzer:
The active buzzer has an internal vibration source, so it will beep as soon as it is powered on
2. Convenient program control, the microcontroller can emit sound with just one high and low level, but passive buzzers cannot do it
Shipping List:
One active buzzer module
3 20cm DuPont wires
