High Level Trigger Active Buzzer Module 5V With 3 Pin Cable Transistor
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Prototyping PCB Prototype Shield UNO R3 ProtoShield With Mini Breadboard
Product Specification:
Product 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 it Sound frequency controllable, you can make a "more than a meter hair Suola Xi" effect. In some special cases, you can reuse a control and LED mouth Active buzzer is characterized by: An active internal buzzer with shock source, so long as a power will be called Program easy to control, SCM can allow a high and low sounds, while passive buzzer can not.
Product Feature:
A module using 9012 transistor drive 2 Operating voltage 3.3V-5V 6 with fixed bolt hole for easy installation 7 small plates PCB size: 3.3cm * 1.3cm Two 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 GND 3 I / O external microcontroller IO port
Package Included:
1 PC Active Buzzer Module 1 PC Wire
Product Packing:
Different package at optional:
Product Delivery:
1. The items normally will be shipped out within1-3 working days
after the payment arrives.
FAQ
1. What is the delivery time?
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