ITEM NAME:KY-012 Buzzer Alarm Module for Arduino PC Printer High Quality 3.5-5.5V 1x New Descriptio n Description: Introduction buzzer: 1. Buzzer: The Buzzer is an integrated electronic Xiangqi structure, the use of DC power supply, widely used in computers, printers, photocopiers, alarms, electronic toys, automotive electronics, telephones, timers, etc. electronic products for sound devices. 2. Buzzer Category: divided into piezoelectric buzzer and two types of electromagnetic buzzer. 3. Buzzer circuit pattern symbol: buzzer in the circuit by the letter "H" or "HA" (the old standard with the "FM", "LB", "JD", etc.), respectively. Specifications: Specification: Working Voltage: 3.5-5.5V. Working Current:
