10pcs Mainboard Buzzer Set - 5V Active or Passive Buzzers for Sound Signaling in Electronics, Appliances & Security Systems

Product introduction Buzzer is a kind of pronunciation device that can convert audio signal into sound signal. It is widely used in home  electrical appliances, alarm systems of silver signal and public security,  electronic toys and game consoles. Buzzer is mainly used to prompt or alarm,  according to the design and use of different, can emit music, whistle, buzzer, siren, bell and other different sounds. The buzzer used in the washing machine usually beeps to inform the user of the operation process. The buzzer used in the  gas appliance is to issue an alarm sound,  and to warn the user that the fuel appliance is burning. As a doorbell application,  the buzzer is mostly issued a "ding dong" sound or music,  indicating that there are guests visiting. Buzzers installed in public security,  bank and home security areas make multiple alarm sounds. In factories, schools, the application of buzzers,  more than the electric bell g according to the different types of buzzers, its working power is different,  and some are directly connected, such as cars. Electric horn for use on;  Some are connected to AC, and some need to be connected to specific electronic circuits. Motherboard buzzer After the computer is turned on, we will hear the familiar sound "toot" sound, which generally means that the computer can be used normally, and this sound is emitted from this "baby". The red line is positive and the black line is negative (in fact, it is not positive or negative, as long as it is connected to the Speaker interface, it can be used) Characteristic parameter 5V passive buzzer Product size :12 x8.5mm Rated voltage :AC 5V Resistance value :42Q Sensitivity /SPL:Min85 dB Resonant frequency :2048Hz Spacing :6.5mm 5V active buzzer Product model :BST-12095-DC-FT Product introduction: Electromagnetic active buzzer 12095 split plug The needle buzzer Product size :12x9.5mm Rated voltage :DC 5V Sensitivity /SPL:Min 85 dB Resonant frequency :2300-2500 300Hz

Material: paper