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Keyestudio Digital Buzzer Module - Black + Yellow
Here is the simplest sound making module that you can use High/Low level to drive it. Just change the frequency it buzz£¬ you can hear different sound. It is widely used on your daily appliance£¬ like PC£¬ refrigerator£¬ phones and so on. And you can also create many interesting interactive project with this small but useful module. Just try it!! You will find the electronic sound it creates is fascinating. Specification: 1. Type: Digital; 2. Power supply: DC 5V.