Ximimark 6Pcs Active Buzzer Alarm Module Sensor Beep for arduino Smart car
Ximimark 6Pcs Active Buzzer Alarm Module Sensor Beep for arduino Smart car
Description
There are many people active and passive buzzer buzzer concept is not very clear, here to do a brief introduction, we want to be helpful for future use. Note that the "source" does not mean power. But rather refers to the shock source.Passive buzzer is characterized by:A passive internal sources without shocks, so if the DC signal can not make it with a tweet. Must 2K ~ 5K square wave to drive it2 sound frequency controllable, you can make a "more than a meter hair Suola Xi" effect.3 In some special cases, you can reuse a control and LED mouthActive buzzer is characterized by:An active internal buzzer with shock source, so long as a power will be called2 program easy to control, SCM can allow a high and low sounds, while passive buzzer can not. One module descriptionA module using 9012 transistor drive2 Operating voltage 3.3V-5V6 with fixed bolt hole for easy installation7 small plates PCB size: 3.3cm 1.3cmTwo module interface specification (3-wire)1 VCC external 3.3V-5V voltage (5v microcontroller and can be directly connected to 3.3v MCU)External GND 2 GND3 I / O external microcontroller IO port Package Include: 6 x Active Buzzer Alarm Module Sensor Beep For Arduino Smart Car
Features:
- A module using 9012 transistor drive
- small plates PCB size: 3.3cm * 1.3cm
- 1 VCC external 3.3V-5V voltage (5v microcontroller and can be directly connected to 3.3v MCU) External GND 2 GND
- Package Include: 6 x Active Buzzer Alarm Module Sensor Beep For Arduino Smart Car
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