Active / passive Buzzer Module Mô-Đun Chuông Thấp Cho Arduino

Giới thiệu Active / passive Buzzer Module Mô-Đun Chuông Thấp Cho Arduino

High Quality Active / passive Buzzer Module for Arduino New DIY Kit Active buzzer low level modules

Now there are a lot of people to the concept of passive and active buzzer buzzer is not very clear, do a simple introduction here, hope to help everyone to use in the future.

Note that in this case, the "source" is not the power supply.It is the volatile source.

The characteristics of the passive buzzer is:
1. passive internal without shock source, so if use dc signal can't make it.Must use 2 k ~ 5 k square wave to drive it For more than
2. sound frequency control, can make "m hair sola west" 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't do.

Each weight is about 6 g

Module description：
1. passive module driven by 9012 triode
( Active module driven by 8550 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)：
1. VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)
2. GND external GND
3. I/O external microcontroller IO port



Before purchase:
1. All the goods are in stock and we will dispatch immediately if we receive the order.
2.Please read the item description, if you have any question, do not hesitate to contact us.

Shipment：
1.1-2 days to ship(except for the pro-order item)

After purchase:
1.If you are satisfied，please give us 5 stars praise.
2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems.
if you receive a defect item,please contact us at once with item picture or video



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