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Seller Store glhk05
(۸۱۹۵) ۹۹%,
Location: Shenzhen, GD
Ships to: US,
Item: ۱۹۶۴۸۲۳۵۴۰۷۶
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:۶۰ Days
Refund will be given as:Money back or replacement (buyer’s choice)
Return policy details:
Unbranded:Unbranded
MPN:Does not apply
Type:Magnetic Buzzer
Supply Voltage:۳V/5V/9V/12V
۳V/5V/9V/12V Active/Passive Buzzer Speaker Continuous Beep Electromagnetic Type DESCRIPTION A buzzer is a pronunciation device that can transmit audio signals into sound signals. It is widely used in household appliances, electronic toys, and game consoles. The buzzer is mainly used for reminders or alarms. Depending on its appearance and purpose, it can emit various sounds such as music, whistle, alarm, and bell. Application scope: computers, printers, repeaters, alarms, electronic toys, automotive electronic devices, telephones, timers, etc The composition of buzzerThe buzzing sheet is made of lead zirconate titanate or lead niobate magnesium piezoelectric ceramic materials. Plating silver electrodes on both sides of the ceramic sheet, polarizing and aging treatment, and then sticking it together with brass or stainless steel sheets.The principle of buzzerThe buzzer works using the principle of piezoelectric effect, and when an alternating voltage is applied to it, it will generate mechanical vibration; On the contrary, when a mechanical force is applied to it, it will also generate a voltage signal. Therefore, piezoelectric ceramic buzzer plates can be used as vibration sensors. The voltage signal generated by the piezoelectric ceramic buzzer when subjected to mechanical force is very weak, and when used as a vibration sensor, a voltage amplifier should generally be connected. AttentionA buzzer cannot be used as a mineral radio because there is an oscillating circuit inside the buzzer which, when switched on, drives a miniature horn inside to emit a buzzing sound. There are two types of buzzer. One is with an internal oscillator; one option is to connect an external oscillator, which is a normal micro-horn. The type without an oscillator cannot be used because its resistance is generally around 32 ohms, and there are also 8 ohms or 16 ohms. These are all low impedance, so they cannot be used. If you don’t have high impedance headphones, you can also use a power transformer, usually a 6V or 12V power transformer with a power of around 3-5W, because the primary wire diameter of this transformer is very thin, there are many turns and the impedance is also very high. The purpose is to get a good impedance match for the load and maximise its power. Usage: Connect the primary winding of the transformer (connected to the 220V winding) to the place where the high impedance headphones were originally intended to be connected; just connect your regular headphones for secondary use. Package Including: According to your choice. About us: Good quality. Buy with confidence! We maintain high standards of excellence and strive to satisfy customers! Feedback: If you are satisfied with our products and service, I expect you can leave us a positive feedback. If you are not satisfied with the items or have any questions, please feel free to contact us, We will reply you within 24 hours. Shipping: We only accept your Ebay Address,Please Make sure it’s right. On Jul 4, 2024 at 00:28:44 PDT, seller added the following information:
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